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Finding the Fourth Proportional to 269,650.89, 404,482.59 and 69,979.14

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Solution

The fourth proportional to 269,650.89, 404,482.59 and 69,979.14 is: 104,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,650.89 : 404,482.59 = 69,979.14 : x
  2. Step 2: Convert to fraction form
    269,650.89/404,482.59 = 69,979.14/x
  3. Step 3: Cross multiply
    269,650.89x = 404,482.59 × 69,979.14
  4. Step 4: Simplify right side
    269,650.89x = 28,305,343,793.17
  5. Step 5: Solve for x
    x = 28,305,343,793.17/269,650.89
  6. Step 6: Final answer
    x = 104,970.33

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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.