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Finding the Fourth Proportional to 488,601.28, 732,998.79 and 151,627.55

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Solution

The fourth proportional to 488,601.28, 732,998.79 and 151,627.55 is: 227,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,601.28 : 732,998.79 = 151,627.55 : x
  2. Step 2: Convert to fraction form
    488,601.28/732,998.79 = 151,627.55/x
  3. Step 3: Cross multiply
    488,601.28x = 732,998.79 × 151,627.55
  4. Step 4: Simplify right side
    488,601.28x = 111,142,806,636.60
  5. Step 5: Solve for x
    x = 111,142,806,636.60/488,601.28
  6. Step 6: Final answer
    x = 227,471.38

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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.