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Finding the Fourth Proportional to 266,188.44, 367,338.15 and 145,329.72

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Solution

The fourth proportional to 266,188.44, 367,338.15 and 145,329.72 is: 200,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,188.44 : 367,338.15 = 145,329.72 : x
  2. Step 2: Convert to fraction form
    266,188.44/367,338.15 = 145,329.72/x
  3. Step 3: Cross multiply
    266,188.44x = 367,338.15 × 145,329.72
  4. Step 4: Simplify right side
    266,188.44x = 53,385,150,484.82
  5. Step 5: Solve for x
    x = 53,385,150,484.82/266,188.44
  6. Step 6: Final answer
    x = 200,553.98

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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.