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Finding the Fourth Proportional to 624,361.60, 936,542.40 and 615,030.40

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Solution

The fourth proportional to 624,361.60, 936,542.40 and 615,030.40 is: 922,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,361.60 : 936,542.40 = 615,030.40 : x
  2. Step 2: Convert to fraction form
    624,361.60/936,542.40 = 615,030.40/x
  3. Step 3: Cross multiply
    624,361.60x = 936,542.40 × 615,030.40
  4. Step 4: Simplify right side
    624,361.60x = 576,002,046,888.96
  5. Step 5: Solve for x
    x = 576,002,046,888.96/624,361.60
  6. Step 6: Final answer
    x = 922,545.60

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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.