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Finding the Fourth Proportional to 466,972.40, 700,458.60 and 151,425.20

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Solution

The fourth proportional to 466,972.40, 700,458.60 and 151,425.20 is: 227,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,972.40 : 700,458.60 = 151,425.20 : x
  2. Step 2: Convert to fraction form
    466,972.40/700,458.60 = 151,425.20/x
  3. Step 3: Cross multiply
    466,972.40x = 700,458.60 × 151,425.20
  4. Step 4: Simplify right side
    466,972.40x = 106,067,083,596.72
  5. Step 5: Solve for x
    x = 106,067,083,596.72/466,972.40
  6. Step 6: Final answer
    x = 227,137.80

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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.