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Finding the Fourth Proportional to 649,737.60, 974,606.40 and 624,854.40

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Solution

The fourth proportional to 649,737.60, 974,606.40 and 624,854.40 is: 937,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,737.60 : 974,606.40 = 624,854.40 : x
  2. Step 2: Convert to fraction form
    649,737.60/974,606.40 = 624,854.40/x
  3. Step 3: Cross multiply
    649,737.60x = 974,606.40 × 624,854.40
  4. Step 4: Simplify right side
    649,737.60x = 608,987,097,308.16
  5. Step 5: Solve for x
    x = 608,987,097,308.16/649,737.60
  6. Step 6: Final answer
    x = 937,281.60

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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.