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Finding the Fourth Proportional to 348,516.30, 522,774.45 and 341,517.90

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Solution

The fourth proportional to 348,516.30, 522,774.45 and 341,517.90 is: 512,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,516.30 : 522,774.45 = 341,517.90 : x
  2. Step 2: Convert to fraction form
    348,516.30/522,774.45 = 341,517.90/x
  3. Step 3: Cross multiply
    348,516.30x = 522,774.45 × 341,517.90
  4. Step 4: Simplify right side
    348,516.30x = 178,536,832,337.66
  5. Step 5: Solve for x
    x = 178,536,832,337.66/348,516.30
  6. Step 6: Final answer
    x = 512,276.85

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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.