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Finding the Fourth Proportional to 269,999.10, 404,998.65 and 165,023.10

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Solution

The fourth proportional to 269,999.10, 404,998.65 and 165,023.10 is: 247,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,999.10 : 404,998.65 = 165,023.10 : x
  2. Step 2: Convert to fraction form
    269,999.10/404,998.65 = 165,023.10/x
  3. Step 3: Cross multiply
    269,999.10x = 404,998.65 × 165,023.10
  4. Step 4: Simplify right side
    269,999.10x = 66,834,132,718.82
  5. Step 5: Solve for x
    x = 66,834,132,718.82/269,999.10
  6. Step 6: Final answer
    x = 247,534.65

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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.