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Finding the Fourth Proportional to 649,491.40, 974,237.10 and 532,851.40

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Solution

The fourth proportional to 649,491.40, 974,237.10 and 532,851.40 is: 799,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,491.40 : 974,237.10 = 532,851.40 : x
  2. Step 2: Convert to fraction form
    649,491.40/974,237.10 = 532,851.40/x
  3. Step 3: Cross multiply
    649,491.40x = 974,237.10 × 532,851.40
  4. Step 4: Simplify right side
    649,491.40x = 519,123,602,666.94
  5. Step 5: Solve for x
    x = 519,123,602,666.94/649,491.40
  6. Step 6: Final answer
    x = 799,277.10

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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.