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Finding the Fourth Proportional to 402,508.98, 555,036.84 and 337,933.73

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Solution

The fourth proportional to 402,508.98, 555,036.84 and 337,933.73 is: 465,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,508.98 : 555,036.84 = 337,933.73 : x
  2. Step 2: Convert to fraction form
    402,508.98/555,036.84 = 337,933.73/x
  3. Step 3: Cross multiply
    402,508.98x = 555,036.84 × 337,933.73
  4. Step 4: Simplify right side
    402,508.98x = 187,565,671,016.21
  5. Step 5: Solve for x
    x = 187,565,671,016.21/402,508.98
  6. Step 6: Final answer
    x = 465,991.27

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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.