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Finding the Fourth Proportional to 674,764.01, 931,194.12 and 368,857.25

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Solution

The fourth proportional to 674,764.01, 931,194.12 and 368,857.25 is: 509,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,764.01 : 931,194.12 = 368,857.25 : x
  2. Step 2: Convert to fraction form
    674,764.01/931,194.12 = 368,857.25/x
  3. Step 3: Cross multiply
    674,764.01x = 931,194.12 × 368,857.25
  4. Step 4: Simplify right side
    674,764.01x = 343,477,697,663.40
  5. Step 5: Solve for x
    x = 343,477,697,663.40/674,764.01
  6. Step 6: Final answer
    x = 509,033.82

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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.