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Finding the Fourth Proportional to 372,502.50, 514,053.45 and 202,737.84

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Solution

The fourth proportional to 372,502.50, 514,053.45 and 202,737.84 is: 279,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,502.50 : 514,053.45 = 202,737.84 : x
  2. Step 2: Convert to fraction form
    372,502.50/514,053.45 = 202,737.84/x
  3. Step 3: Cross multiply
    372,502.50x = 514,053.45 × 202,737.84
  4. Step 4: Simplify right side
    372,502.50x = 104,218,086,097.55
  5. Step 5: Solve for x
    x = 104,218,086,097.55/372,502.50
  6. Step 6: Final answer
    x = 279,778.22

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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.