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Finding the Fourth Proportional to 491,998.13, 737,363.55 and 238,788.59

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Solution

The fourth proportional to 491,998.13, 737,363.55 and 238,788.59 is: 357,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,998.13 : 737,363.55 = 238,788.59 : x
  2. Step 2: Convert to fraction form
    491,998.13/737,363.55 = 238,788.59/x
  3. Step 3: Cross multiply
    491,998.13x = 737,363.55 × 238,788.59
  4. Step 4: Simplify right side
    491,998.13x = 176,074,002,421.90
  5. Step 5: Solve for x
    x = 176,074,002,421.90/491,998.13
  6. Step 6: Final answer
    x = 357,875.35

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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.