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Finding the Fourth Proportional to 348,378.70, 522,512.11 and 95,600.16

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Solution

The fourth proportional to 348,378.70, 522,512.11 and 95,600.16 is: 143,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,378.70 : 522,512.11 = 95,600.16 : x
  2. Step 2: Convert to fraction form
    348,378.70/522,512.11 = 95,600.16/x
  3. Step 3: Cross multiply
    348,378.70x = 522,512.11 × 95,600.16
  4. Step 4: Simplify right side
    348,378.70x = 49,952,238,705.38
  5. Step 5: Solve for x
    x = 49,952,238,705.38/348,378.70
  6. Step 6: Final answer
    x = 143,384.88

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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.