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Finding the Fourth Proportional to 266,432.70, 367,666.09 and 145,578.13

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Solution

The fourth proportional to 266,432.70, 367,666.09 and 145,578.13 is: 200,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,432.70 : 367,666.09 = 145,578.13 : x
  2. Step 2: Convert to fraction form
    266,432.70/367,666.09 = 145,578.13/x
  3. Step 3: Cross multiply
    266,432.70x = 367,666.09 × 145,578.13
  4. Step 4: Simplify right side
    266,432.70x = 53,524,141,846.61
  5. Step 5: Solve for x
    x = 53,524,141,846.61/266,432.70
  6. Step 6: Final answer
    x = 200,891.79

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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.