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Finding the Fourth Proportional to 466,979.40, 700,469.10 and 151,432.20

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Solution

The fourth proportional to 466,979.40, 700,469.10 and 151,432.20 is: 227,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,979.40 : 700,469.10 = 151,432.20 : x
  2. Step 2: Convert to fraction form
    466,979.40/700,469.10 = 151,432.20/x
  3. Step 3: Cross multiply
    466,979.40x = 700,469.10 × 151,432.20
  4. Step 4: Simplify right side
    466,979.40x = 106,073,576,845.02
  5. Step 5: Solve for x
    x = 106,073,576,845.02/466,979.40
  6. Step 6: Final answer
    x = 227,148.30

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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.