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Finding the Fourth Proportional to 493,753.74, 740,630.91 and 119,776.74

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Solution

The fourth proportional to 493,753.74, 740,630.91 and 119,776.74 is: 179,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,753.74 : 740,630.91 = 119,776.74 : x
  2. Step 2: Convert to fraction form
    493,753.74/740,630.91 = 119,776.74/x
  3. Step 3: Cross multiply
    493,753.74x = 740,630.91 × 119,776.74
  4. Step 4: Simplify right side
    493,753.74x = 88,710,355,943.03
  5. Step 5: Solve for x
    x = 88,710,355,943.03/493,753.74
  6. Step 6: Final answer
    x = 179,665.18

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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.