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Finding the Fourth Proportional to 498,231.60, 747,201.60 and 178,346.40

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Solution

The fourth proportional to 498,231.60, 747,201.60 and 178,346.40 is: 267,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,231.60 : 747,201.60 = 178,346.40 : x
  2. Step 2: Convert to fraction form
    498,231.60/747,201.60 = 178,346.40/x
  3. Step 3: Cross multiply
    498,231.60x = 747,201.60 × 178,346.40
  4. Step 4: Simplify right side
    498,231.60x = 133,260,715,434.24
  5. Step 5: Solve for x
    x = 133,260,715,434.24/498,231.60
  6. Step 6: Final answer
    x = 267,467.41

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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.