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Finding the Fourth Proportional to 472,513.80, 708,770.70 and 156,970.71

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Solution

The fourth proportional to 472,513.80, 708,770.70 and 156,970.71 is: 235,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,513.80 : 708,770.70 = 156,970.71 : x
  2. Step 2: Convert to fraction form
    472,513.80/708,770.70 = 156,970.71/x
  3. Step 3: Cross multiply
    472,513.80x = 708,770.70 × 156,970.71
  4. Step 4: Simplify right side
    472,513.80x = 111,256,240,006.20
  5. Step 5: Solve for x
    x = 111,256,240,006.20/472,513.80
  6. Step 6: Final answer
    x = 235,456.07

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Double scale
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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.