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Finding the Fourth Proportional to 493,590.66, 740,380.51 and 156,631.06

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Solution

The fourth proportional to 493,590.66, 740,380.51 and 156,631.06 is: 234,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,590.66 : 740,380.51 = 156,631.06 : x
  2. Step 2: Convert to fraction form
    493,590.66/740,380.51 = 156,631.06/x
  3. Step 3: Cross multiply
    493,590.66x = 740,380.51 × 156,631.06
  4. Step 4: Simplify right side
    493,590.66x = 115,966,584,084.64
  5. Step 5: Solve for x
    x = 115,966,584,084.64/493,590.66
  6. Step 6: Final answer
    x = 234,944.85

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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.