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Finding the Fourth Proportional to 457,737.49, 631,552.60 and 273,902.06

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Solution

The fourth proportional to 457,737.49, 631,552.60 and 273,902.06 is: 377,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,737.49 : 631,552.60 = 273,902.06 : x
  2. Step 2: Convert to fraction form
    457,737.49/631,552.60 = 273,902.06/x
  3. Step 3: Cross multiply
    457,737.49x = 631,552.60 × 273,902.06
  4. Step 4: Simplify right side
    457,737.49x = 172,983,559,032.48
  5. Step 5: Solve for x
    x = 172,983,559,032.48/457,737.49
  6. Step 6: Final answer
    x = 377,909.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.