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Finding the Fourth Proportional to 363,263.76, 501,306.48 and 202,125.60

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Solution

The fourth proportional to 363,263.76, 501,306.48 and 202,125.60 is: 278,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,263.76 : 501,306.48 = 202,125.60 : x
  2. Step 2: Convert to fraction form
    363,263.76/501,306.48 = 202,125.60/x
  3. Step 3: Cross multiply
    363,263.76x = 501,306.48 × 202,125.60
  4. Step 4: Simplify right side
    363,263.76x = 101,326,873,053.89
  5. Step 5: Solve for x
    x = 101,326,873,053.89/363,263.76
  6. Step 6: Final answer
    x = 278,934.71

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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.