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Finding the Fourth Proportional to 377,542.30, 521,008.44 and 207,776.44

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Solution

The fourth proportional to 377,542.30, 521,008.44 and 207,776.44 is: 286,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,542.30 : 521,008.44 = 207,776.44 : x
  2. Step 2: Convert to fraction form
    377,542.30/521,008.44 = 207,776.44/x
  3. Step 3: Cross multiply
    377,542.30x = 521,008.44 × 207,776.44
  4. Step 4: Simplify right side
    377,542.30x = 108,253,278,873.15
  5. Step 5: Solve for x
    x = 108,253,278,873.15/377,542.30
  6. Step 6: Final answer
    x = 286,731.52

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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.