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Finding the Fourth Proportional to 375,911.66, 563,780.21 and 224,151.11

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Solution

The fourth proportional to 375,911.66, 563,780.21 and 224,151.11 is: 336,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,911.66 : 563,780.21 = 224,151.11 : x
  2. Step 2: Convert to fraction form
    375,911.66/563,780.21 = 224,151.11/x
  3. Step 3: Cross multiply
    375,911.66x = 563,780.21 × 224,151.11
  4. Step 4: Simplify right side
    375,911.66x = 126,371,958,746.78
  5. Step 5: Solve for x
    x = 126,371,958,746.78/375,911.66
  6. Step 6: Final answer
    x = 336,174.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.