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Finding the Fourth Proportional to 537,807.60, 806,711.40 and 451,202.40

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Solution

The fourth proportional to 537,807.60, 806,711.40 and 451,202.40 is: 676,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,807.60 : 806,711.40 = 451,202.40 : x
  2. Step 2: Convert to fraction form
    537,807.60/806,711.40 = 451,202.40/x
  3. Step 3: Cross multiply
    537,807.60x = 806,711.40 × 451,202.40
  4. Step 4: Simplify right side
    537,807.60x = 363,990,119,787.36
  5. Step 5: Solve for x
    x = 363,990,119,787.36/537,807.60
  6. Step 6: Final answer
    x = 676,803.60

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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.