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Finding the Fourth Proportional to 488,516.70, 732,879.54 and 151,550.04

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Solution

The fourth proportional to 488,516.70, 732,879.54 and 151,550.04 is: 227,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,516.70 : 732,879.54 = 151,550.04 : x
  2. Step 2: Convert to fraction form
    488,516.70/732,879.54 = 151,550.04/x
  3. Step 3: Cross multiply
    488,516.70x = 732,879.54 × 151,550.04
  4. Step 4: Simplify right side
    488,516.70x = 111,067,923,602.18
  5. Step 5: Solve for x
    x = 111,067,923,602.18/488,516.70
  6. Step 6: Final answer
    x = 227,357.48

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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.