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Finding the Fourth Proportional to 417,309.60, 625,807.20 and 151,004.24

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Solution

The fourth proportional to 417,309.60, 625,807.20 and 151,004.24 is: 226,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,309.60 : 625,807.20 = 151,004.24 : x
  2. Step 2: Convert to fraction form
    417,309.60/625,807.20 = 151,004.24/x
  3. Step 3: Cross multiply
    417,309.60x = 625,807.20 × 151,004.24
  4. Step 4: Simplify right side
    417,309.60x = 94,499,540,622.53
  5. Step 5: Solve for x
    x = 94,499,540,622.53/417,309.60
  6. Step 6: Final answer
    x = 226,449.48

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1.5x scale

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.