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Finding the Fourth Proportional to 408,063.62, 563,116.54 and 226,770.90

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Solution

The fourth proportional to 408,063.62, 563,116.54 and 226,770.90 is: 312,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,063.62 : 563,116.54 = 226,770.90 : x
  2. Step 2: Convert to fraction form
    408,063.62/563,116.54 = 226,770.90/x
  3. Step 3: Cross multiply
    408,063.62x = 563,116.54 × 226,770.90
  4. Step 4: Simplify right side
    408,063.62x = 127,698,444,580.69
  5. Step 5: Solve for x
    x = 127,698,444,580.69/408,063.62
  6. Step 6: Final answer
    x = 312,937.59

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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.