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Finding the Fourth Proportional to 943,897.66, 1,302,481.66 and 530,368.76

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Solution

The fourth proportional to 943,897.66, 1,302,481.66 and 530,368.76 is: 731,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,897.66 : 1,302,481.66 = 530,368.76 : x
  2. Step 2: Convert to fraction form
    943,897.66/1,302,481.66 = 530,368.76/x
  3. Step 3: Cross multiply
    943,897.66x = 1,302,481.66 × 530,368.76
  4. Step 4: Simplify right side
    943,897.66x = 690,795,582,936.94
  5. Step 5: Solve for x
    x = 690,795,582,936.94/943,897.66
  6. Step 6: Final answer
    x = 731,854.32

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Find fourth proportional to 1,887,795.32, 2,604,963.32 and 1,060,737.52
Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.