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Finding the Fourth Proportional to 266,366.62, 367,597.11 and 153,189.46

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Solution

The fourth proportional to 266,366.62, 367,597.11 and 153,189.46 is: 211,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,366.62 : 367,597.11 = 153,189.46 : x
  2. Step 2: Convert to fraction form
    266,366.62/367,597.11 = 153,189.46/x
  3. Step 3: Cross multiply
    266,366.62x = 367,597.11 × 153,189.46
  4. Step 4: Simplify right side
    266,366.62x = 56,312,002,778.46
  5. Step 5: Solve for x
    x = 56,312,002,778.46/266,366.62
  6. Step 6: Final answer
    x = 211,407.88

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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.