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Finding the Fourth Proportional to 408,265.02, 563,373.72 and 226,965.90

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Solution

The fourth proportional to 408,265.02, 563,373.72 and 226,965.90 is: 313,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,265.02 : 563,373.72 = 226,965.90 : x
  2. Step 2: Convert to fraction form
    408,265.02/563,373.72 = 226,965.90/x
  3. Step 3: Cross multiply
    408,265.02x = 563,373.72 × 226,965.90
  4. Step 4: Simplify right side
    408,265.02x = 127,866,623,396.15
  5. Step 5: Solve for x
    x = 127,866,623,396.15/408,265.02
  6. Step 6: Final answer
    x = 313,195.15

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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.