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Finding the Fourth Proportional to 376,193.65, 519,147.19 and 215,052.29

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Solution

The fourth proportional to 376,193.65, 519,147.19 and 215,052.29 is: 296,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,193.65 : 519,147.19 = 215,052.29 : x
  2. Step 2: Convert to fraction form
    376,193.65/519,147.19 = 215,052.29/x
  3. Step 3: Cross multiply
    376,193.65x = 519,147.19 × 215,052.29
  4. Step 4: Simplify right side
    376,193.65x = 111,643,792,056.57
  5. Step 5: Solve for x
    x = 111,643,792,056.57/376,193.65
  6. Step 6: Final answer
    x = 296,772.13

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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.