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Finding the Fourth Proportional to 602,227.20, 903,340.80 and 247,123.20

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Solution

The fourth proportional to 602,227.20, 903,340.80 and 247,123.20 is: 370,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,227.20 : 903,340.80 = 247,123.20 : x
  2. Step 2: Convert to fraction form
    602,227.20/903,340.80 = 247,123.20/x
  3. Step 3: Cross multiply
    602,227.20x = 903,340.80 × 247,123.20
  4. Step 4: Simplify right side
    602,227.20x = 223,236,469,186.56
  5. Step 5: Solve for x
    x = 223,236,469,186.56/602,227.20
  6. Step 6: Final answer
    x = 370,684.80

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Double scale
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Similar ratio
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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.