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Finding the Fourth Proportional to 266,371.65, 367,600.77 and 145,514.94

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Solution

The fourth proportional to 266,371.65, 367,600.77 and 145,514.94 is: 200,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,371.65 : 367,600.77 = 145,514.94 : x
  2. Step 2: Convert to fraction form
    266,371.65/367,600.77 = 145,514.94/x
  3. Step 3: Cross multiply
    266,371.65x = 367,600.77 × 145,514.94
  4. Step 4: Simplify right side
    266,371.65x = 53,491,403,990.50
  5. Step 5: Solve for x
    x = 53,491,403,990.50/266,371.65
  6. Step 6: Final answer
    x = 200,814.93

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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.