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Finding the Fourth Proportional to 266,393.09, 367,647.78 and 145,552.52

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Solution

The fourth proportional to 266,393.09, 367,647.78 and 145,552.52 is: 200,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,393.09 : 367,647.78 = 145,552.52 : x
  2. Step 2: Convert to fraction form
    266,393.09/367,647.78 = 145,552.52/x
  3. Step 3: Cross multiply
    266,393.09x = 367,647.78 × 145,552.52
  4. Step 4: Simplify right side
    266,393.09x = 53,512,059,013.17
  5. Step 5: Solve for x
    x = 53,512,059,013.17/266,393.09
  6. Step 6: Final answer
    x = 200,876.31

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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.