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Finding the Fourth Proportional to 372,565.88, 514,140.98 and 202,800

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Solution

The fourth proportional to 372,565.88, 514,140.98 and 202,800 is: 279,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,565.88 : 514,140.98 = 202,800 : x
  2. Step 2: Convert to fraction form
    372,565.88/514,140.98 = 202,800/x
  3. Step 3: Cross multiply
    372,565.88x = 514,140.98 × 202,800
  4. Step 4: Simplify right side
    372,565.88x = 104,267,789,730
  5. Step 5: Solve for x
    x = 104,267,789,730/372,565.88
  6. Step 6: Final answer
    x = 279,864.04

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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.