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Finding the Fourth Proportional to 408,007.30, 563,050.12 and 226,713.90

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Solution

The fourth proportional to 408,007.30, 563,050.12 and 226,713.90 is: 312,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,007.30 : 563,050.12 = 226,713.90 : x
  2. Step 2: Convert to fraction form
    408,007.30/563,050.12 = 226,713.90/x
  3. Step 3: Cross multiply
    408,007.30x = 563,050.12 × 226,713.90
  4. Step 4: Simplify right side
    408,007.30x = 127,651,288,600.67
  5. Step 5: Solve for x
    x = 127,651,288,600.67/408,007.30
  6. Step 6: Final answer
    x = 312,865.21

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1.5x scale

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.