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Finding the Fourth Proportional to 488,507.45, 732,865.67 and 151,540.79

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Solution

The fourth proportional to 488,507.45, 732,865.67 and 151,540.79 is: 227,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,507.45 : 732,865.67 = 151,540.79 : x
  2. Step 2: Convert to fraction form
    488,507.45/732,865.67 = 151,540.79/x
  3. Step 3: Cross multiply
    488,507.45x = 732,865.67 × 151,540.79
  4. Step 4: Simplify right side
    488,507.45x = 111,059,042,595.68
  5. Step 5: Solve for x
    x = 111,059,042,595.68/488,507.45
  6. Step 6: Final answer
    x = 227,343.60

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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.