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Finding the Fourth Proportional to 363,193.48, 500,793.78 and 255,729.16

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Solution

The fourth proportional to 363,193.48, 500,793.78 and 255,729.16 is: 352,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,193.48 : 500,793.78 = 255,729.16 : x
  2. Step 2: Convert to fraction form
    363,193.48/500,793.78 = 255,729.16/x
  3. Step 3: Cross multiply
    363,193.48x = 500,793.78 × 255,729.16
  4. Step 4: Simplify right side
    363,193.48x = 128,067,572,692.63
  5. Step 5: Solve for x
    x = 128,067,572,692.63/363,193.48
  6. Step 6: Final answer
    x = 352,615.29

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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.