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Finding the Fourth Proportional to 377,385.52, 520,791.24 and 207,619.24

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Solution

The fourth proportional to 377,385.52, 520,791.24 and 207,619.24 is: 286,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,385.52 : 520,791.24 = 207,619.24 : x
  2. Step 2: Convert to fraction form
    377,385.52/520,791.24 = 207,619.24/x
  3. Step 3: Cross multiply
    377,385.52x = 520,791.24 × 207,619.24
  4. Step 4: Simplify right side
    377,385.52x = 108,126,281,447.46
  5. Step 5: Solve for x
    x = 108,126,281,447.46/377,385.52
  6. Step 6: Final answer
    x = 286,514.12

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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.