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Finding the Fourth Proportional to 488,506.20, 732,863.79 and 151,539.54

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Solution

The fourth proportional to 488,506.20, 732,863.79 and 151,539.54 is: 227,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,506.20 : 732,863.79 = 151,539.54 : x
  2. Step 2: Convert to fraction form
    488,506.20/732,863.79 = 151,539.54/x
  3. Step 3: Cross multiply
    488,506.20x = 732,863.79 × 151,539.54
  4. Step 4: Simplify right side
    488,506.20x = 111,057,841,619.26
  5. Step 5: Solve for x
    x = 111,057,841,619.26/488,506.20
  6. Step 6: Final answer
    x = 227,341.72

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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.