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Finding the Fourth Proportional to 408,315.95, 563,461.26 and 224,552.93

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Solution

The fourth proportional to 408,315.95, 563,461.26 and 224,552.93 is: 309,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,315.95 : 563,461.26 = 224,552.93 : x
  2. Step 2: Convert to fraction form
    408,315.95/563,461.26 = 224,552.93/x
  3. Step 3: Cross multiply
    408,315.95x = 563,461.26 × 224,552.93
  4. Step 4: Simplify right side
    408,315.95x = 126,526,876,874.49
  5. Step 5: Solve for x
    x = 126,526,876,874.49/408,315.95
  6. Step 6: Final answer
    x = 309,874.93

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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.