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Finding the Fourth Proportional to 488,047.40, 732,003.60 and 151,319.60

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Solution

The fourth proportional to 488,047.40, 732,003.60 and 151,319.60 is: 226,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,047.40 : 732,003.60 = 151,319.60 : x
  2. Step 2: Convert to fraction form
    488,047.40/732,003.60 = 151,319.60/x
  3. Step 3: Cross multiply
    488,047.40x = 732,003.60 × 151,319.60
  4. Step 4: Simplify right side
    488,047.40x = 110,766,491,950.56
  5. Step 5: Solve for x
    x = 110,766,491,950.56/488,047.40
  6. Step 6: Final answer
    x = 226,958.47

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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.