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Finding the Fourth Proportional to 348,677.66, 522,566.90 and 168,720.82

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Solution

The fourth proportional to 348,677.66, 522,566.90 and 168,720.82 is: 252,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,677.66 : 522,566.90 = 168,720.82 : x
  2. Step 2: Convert to fraction form
    348,677.66/522,566.90 = 168,720.82/x
  3. Step 3: Cross multiply
    348,677.66x = 522,566.90 × 168,720.82
  4. Step 4: Simplify right side
    348,677.66x = 88,167,915,872.86
  5. Step 5: Solve for x
    x = 88,167,915,872.86/348,677.66
  6. Step 6: Final answer
    x = 252,863.68

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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.