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Finding the Fourth Proportional to 408,462.09, 563,674.55 and 224,696.70

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Solution

The fourth proportional to 408,462.09, 563,674.55 and 224,696.70 is: 310,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,462.09 : 563,674.55 = 224,696.70 : x
  2. Step 2: Convert to fraction form
    408,462.09/563,674.55 = 224,696.70/x
  3. Step 3: Cross multiply
    408,462.09x = 563,674.55 × 224,696.70
  4. Step 4: Simplify right side
    408,462.09x = 126,655,810,135.50
  5. Step 5: Solve for x
    x = 126,655,810,135.50/408,462.09
  6. Step 6: Final answer
    x = 310,079.72

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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.