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Finding the Fourth Proportional to 493,691.50, 740,539.68 and 119,714.50

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Solution

The fourth proportional to 493,691.50, 740,539.68 and 119,714.50 is: 179,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,691.50 : 740,539.68 = 119,714.50 : x
  2. Step 2: Convert to fraction form
    493,691.50/740,539.68 = 119,714.50/x
  3. Step 3: Cross multiply
    493,691.50x = 740,539.68 × 119,714.50
  4. Step 4: Simplify right side
    493,691.50x = 88,653,337,521.36
  5. Step 5: Solve for x
    x = 88,653,337,521.36/493,691.50
  6. Step 6: Final answer
    x = 179,572.34

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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.