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Finding the Fourth Proportional to 375,044.60, 517,635.33 and 284,242.19

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Solution

The fourth proportional to 375,044.60, 517,635.33 and 284,242.19 is: 392,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,044.60 : 517,635.33 = 284,242.19 : x
  2. Step 2: Convert to fraction form
    375,044.60/517,635.33 = 284,242.19/x
  3. Step 3: Cross multiply
    375,044.60x = 517,635.33 × 284,242.19
  4. Step 4: Simplify right side
    375,044.60x = 147,133,796,166.49
  5. Step 5: Solve for x
    x = 147,133,796,166.49/375,044.60
  6. Step 6: Final answer
    x = 392,310.13

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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.