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Finding the Fourth Proportional to 363,475.92, 501,611.52 and 202,320.76

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Solution

The fourth proportional to 363,475.92, 501,611.52 and 202,320.76 is: 279,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,475.92 : 501,611.52 = 202,320.76 : x
  2. Step 2: Convert to fraction form
    363,475.92/501,611.52 = 202,320.76/x
  3. Step 3: Cross multiply
    363,475.92x = 501,611.52 × 202,320.76
  4. Step 4: Simplify right side
    363,475.92x = 101,486,423,951.16
  5. Step 5: Solve for x
    x = 101,486,423,951.16/363,475.92
  6. Step 6: Final answer
    x = 279,210.86

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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.