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Finding the Fourth Proportional to 363,132.75, 501,123.20 and 204,156.75

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Solution

The fourth proportional to 363,132.75, 501,123.20 and 204,156.75 is: 281,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,132.75 : 501,123.20 = 204,156.75 : x
  2. Step 2: Convert to fraction form
    363,132.75/501,123.20 = 204,156.75/x
  3. Step 3: Cross multiply
    363,132.75x = 501,123.20 × 204,156.75
  4. Step 4: Simplify right side
    363,132.75x = 102,307,683,861.60
  5. Step 5: Solve for x
    x = 102,307,683,861.60/363,132.75
  6. Step 6: Final answer
    x = 281,736.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.