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Finding the Fourth Proportional to 472,494.80, 708,742.20 and 156,983.60

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Solution

The fourth proportional to 472,494.80, 708,742.20 and 156,983.60 is: 235,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,494.80 : 708,742.20 = 156,983.60 : x
  2. Step 2: Convert to fraction form
    472,494.80/708,742.20 = 156,983.60/x
  3. Step 3: Cross multiply
    472,494.80x = 708,742.20 × 156,983.60
  4. Step 4: Simplify right side
    472,494.80x = 111,260,902,027.92
  5. Step 5: Solve for x
    x = 111,260,902,027.92/472,494.80
  6. Step 6: Final answer
    x = 235,475.40

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Similar ratio
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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.