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Finding the Fourth Proportional to 266,207.78, 367,356.22 and 145,354.16

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Solution

The fourth proportional to 266,207.78, 367,356.22 and 145,354.16 is: 200,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,207.78 : 367,356.22 = 145,354.16 : x
  2. Step 2: Convert to fraction form
    266,207.78/367,356.22 = 145,354.16/x
  3. Step 3: Cross multiply
    266,207.78x = 367,356.22 × 145,354.16
  4. Step 4: Simplify right side
    266,207.78x = 53,396,754,778.88
  5. Step 5: Solve for x
    x = 53,396,754,778.88/266,207.78
  6. Step 6: Final answer
    x = 200,583.00

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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.