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Finding the Fourth Proportional to 283,451, 391,133.98 and 174,537.88

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Solution

The fourth proportional to 283,451, 391,133.98 and 174,537.88 is: 240,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,451 : 391,133.98 = 174,537.88 : x
  2. Step 2: Convert to fraction form
    283,451/391,133.98 = 174,537.88/x
  3. Step 3: Cross multiply
    283,451x = 391,133.98 × 174,537.88
  4. Step 4: Simplify right side
    283,451x = 68,267,695,665.16
  5. Step 5: Solve for x
    x = 68,267,695,665.16/283,451
  6. Step 6: Final answer
    x = 240,844.79

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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.