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Finding the Fourth Proportional to 530,008.82, 794,711.09 and 361,732.85

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Solution

The fourth proportional to 530,008.82, 794,711.09 and 361,732.85 is: 542,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,008.82 : 794,711.09 = 361,732.85 : x
  2. Step 2: Convert to fraction form
    530,008.82/794,711.09 = 361,732.85/x
  3. Step 3: Cross multiply
    530,008.82x = 794,711.09 × 361,732.85
  4. Step 4: Simplify right side
    530,008.82x = 287,473,104,443.08
  5. Step 5: Solve for x
    x = 287,473,104,443.08/530,008.82
  6. Step 6: Final answer
    x = 542,393.06

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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.