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Finding the Fourth Proportional to 408,266.66, 563,420.22 and 224,495.72

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Solution

The fourth proportional to 408,266.66, 563,420.22 and 224,495.72 is: 309,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,266.66 : 563,420.22 = 224,495.72 : x
  2. Step 2: Convert to fraction form
    408,266.66/563,420.22 = 224,495.72/x
  3. Step 3: Cross multiply
    408,266.66x = 563,420.22 × 224,495.72
  4. Step 4: Simplify right side
    408,266.66x = 126,485,427,951.46
  5. Step 5: Solve for x
    x = 126,485,427,951.46/408,266.66
  6. Step 6: Final answer
    x = 309,810.82

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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.