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Finding the Fourth Proportional to 493,607.78, 740,411.67 and 119,630.78

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Solution

The fourth proportional to 493,607.78, 740,411.67 and 119,630.78 is: 179,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,607.78 : 740,411.67 = 119,630.78 : x
  2. Step 2: Convert to fraction form
    493,607.78/740,411.67 = 119,630.78/x
  3. Step 3: Cross multiply
    493,607.78x = 740,411.67 × 119,630.78
  4. Step 4: Simplify right side
    493,607.78x = 88,576,027,753.31
  5. Step 5: Solve for x
    x = 88,576,027,753.31/493,607.78
  6. Step 6: Final answer
    x = 179,446.17

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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.