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Finding the Fourth Proportional to 279,205.33, 417,751.17 and 165,414.24

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Solution

The fourth proportional to 279,205.33, 417,751.17 and 165,414.24 is: 247,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,205.33 : 417,751.17 = 165,414.24 : x
  2. Step 2: Convert to fraction form
    279,205.33/417,751.17 = 165,414.24/x
  3. Step 3: Cross multiply
    279,205.33x = 417,751.17 × 165,414.24
  4. Step 4: Simplify right side
    279,205.33x = 69,101,992,294.66
  5. Step 5: Solve for x
    x = 69,101,992,294.66/279,205.33
  6. Step 6: Final answer
    x = 247,495.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.