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Finding the Fourth Proportional to 624,318.60, 936,737.10 and 399,932.04

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Solution

The fourth proportional to 624,318.60, 936,737.10 and 399,932.04 is: 600,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,318.60 : 936,737.10 = 399,932.04 : x
  2. Step 2: Convert to fraction form
    624,318.60/936,737.10 = 399,932.04/x
  3. Step 3: Cross multiply
    624,318.60x = 936,737.10 × 399,932.04
  4. Step 4: Simplify right side
    624,318.60x = 374,631,179,346.68
  5. Step 5: Solve for x
    x = 374,631,179,346.68/624,318.60
  6. Step 6: Final answer
    x = 600,064.10

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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.