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Finding the Fourth Proportional to 502,850.60, 754,275.90 and 447,738.20

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Solution

The fourth proportional to 502,850.60, 754,275.90 and 447,738.20 is: 671,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,850.60 : 754,275.90 = 447,738.20 : x
  2. Step 2: Convert to fraction form
    502,850.60/754,275.90 = 447,738.20/x
  3. Step 3: Cross multiply
    502,850.60x = 754,275.90 × 447,738.20
  4. Step 4: Simplify right side
    502,850.60x = 337,718,133,769.38
  5. Step 5: Solve for x
    x = 337,718,133,769.38/502,850.60
  6. Step 6: Final answer
    x = 671,607.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.