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Finding the Fourth Proportional to 266,005.28, 366,755.28 and 170,354.72

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Solution

The fourth proportional to 266,005.28, 366,755.28 and 170,354.72 is: 234,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,005.28 : 366,755.28 = 170,354.72 : x
  2. Step 2: Convert to fraction form
    266,005.28/366,755.28 = 170,354.72/x
  3. Step 3: Cross multiply
    266,005.28x = 366,755.28 × 170,354.72
  4. Step 4: Simplify right side
    266,005.28x = 62,478,493,032.92
  5. Step 5: Solve for x
    x = 62,478,493,032.92/266,005.28
  6. Step 6: Final answer
    x = 234,876.89

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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.