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Finding the Fourth Proportional to 375,073.28, 517,636.32 and 224,167.04

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Solution

The fourth proportional to 375,073.28, 517,636.32 and 224,167.04 is: 309,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,073.28 : 517,636.32 = 224,167.04 : x
  2. Step 2: Convert to fraction form
    375,073.28/517,636.32 = 224,167.04/x
  3. Step 3: Cross multiply
    375,073.28x = 517,636.32 × 224,167.04
  4. Step 4: Simplify right side
    375,073.28x = 116,037,001,650.89
  5. Step 5: Solve for x
    x = 116,037,001,650.89/375,073.28
  6. Step 6: Final answer
    x = 309,371.55

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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.