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Finding the Fourth Proportional to 336,357.38, 503,002.13 and 251,028.47

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Solution

The fourth proportional to 336,357.38, 503,002.13 and 251,028.47 is: 375,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,357.38 : 503,002.13 = 251,028.47 : x
  2. Step 2: Convert to fraction form
    336,357.38/503,002.13 = 251,028.47/x
  3. Step 3: Cross multiply
    336,357.38x = 503,002.13 × 251,028.47
  4. Step 4: Simplify right side
    336,357.38x = 126,267,851,330.49
  5. Step 5: Solve for x
    x = 126,267,851,330.49/336,357.38
  6. Step 6: Final answer
    x = 375,397.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.