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Finding the Fourth Proportional to 296,079.20, 443,462.70 and 243,591.20

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Solution

The fourth proportional to 296,079.20, 443,462.70 and 243,591.20 is: 364,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,079.20 : 443,462.70 = 243,591.20 : x
  2. Step 2: Convert to fraction form
    296,079.20/443,462.70 = 243,591.20/x
  3. Step 3: Cross multiply
    296,079.20x = 443,462.70 × 243,591.20
  4. Step 4: Simplify right side
    296,079.20x = 108,023,611,248.24
  5. Step 5: Solve for x
    x = 108,023,611,248.24/296,079.20
  6. Step 6: Final answer
    x = 364,847.01

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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.