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Finding the Fourth Proportional to 375,044.58, 517,635.29 and 284,242.16

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Solution

The fourth proportional to 375,044.58, 517,635.29 and 284,242.16 is: 392,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,044.58 : 517,635.29 = 284,242.16 : x
  2. Step 2: Convert to fraction form
    375,044.58/517,635.29 = 284,242.16/x
  3. Step 3: Cross multiply
    375,044.58x = 517,635.29 × 284,242.16
  4. Step 4: Simplify right side
    375,044.58x = 147,133,770,206.53
  5. Step 5: Solve for x
    x = 147,133,770,206.53/375,044.58
  6. Step 6: Final answer
    x = 392,310.09

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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.