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Finding the Fourth Proportional to 649,509.40, 974,264.10 and 532,869.40

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Solution

The fourth proportional to 649,509.40, 974,264.10 and 532,869.40 is: 799,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,509.40 : 974,264.10 = 532,869.40 : x
  2. Step 2: Convert to fraction form
    649,509.40/974,264.10 = 532,869.40/x
  3. Step 3: Cross multiply
    649,509.40x = 974,264.10 × 532,869.40
  4. Step 4: Simplify right side
    649,509.40x = 519,155,526,408.54
  5. Step 5: Solve for x
    x = 519,155,526,408.54/649,509.40
  6. Step 6: Final answer
    x = 799,304.10

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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.