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Finding the Fourth Proportional to 375,762.03, 517,962.56 and 284,753.67

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Solution

The fourth proportional to 375,762.03, 517,962.56 and 284,753.67 is: 392,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,762.03 : 517,962.56 = 284,753.67 : x
  2. Step 2: Convert to fraction form
    375,762.03/517,962.56 = 284,753.67/x
  3. Step 3: Cross multiply
    375,762.03x = 517,962.56 × 284,753.67
  4. Step 4: Simplify right side
    375,762.03x = 147,491,739,882.60
  5. Step 5: Solve for x
    x = 147,491,739,882.60/375,762.03
  6. Step 6: Final answer
    x = 392,513.69

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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.