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Finding the Fourth Proportional to 546,601.04, 754,310.76 and 304,899.20

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Solution

The fourth proportional to 546,601.04, 754,310.76 and 304,899.20 is: 420,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,601.04 : 754,310.76 = 304,899.20 : x
  2. Step 2: Convert to fraction form
    546,601.04/754,310.76 = 304,899.20/x
  3. Step 3: Cross multiply
    546,601.04x = 754,310.76 × 304,899.20
  4. Step 4: Simplify right side
    546,601.04x = 229,988,747,275.39
  5. Step 5: Solve for x
    x = 229,988,747,275.39/546,601.04
  6. Step 6: Final answer
    x = 420,761.63

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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.