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Finding the Fourth Proportional to 269,486.60, 404,562.70 and 169,646.60

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Solution

The fourth proportional to 269,486.60, 404,562.70 and 169,646.60 is: 254,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,486.60 : 404,562.70 = 169,646.60 : x
  2. Step 2: Convert to fraction form
    269,486.60/404,562.70 = 169,646.60/x
  3. Step 3: Cross multiply
    269,486.60x = 404,562.70 × 169,646.60
  4. Step 4: Simplify right side
    269,486.60x = 68,632,686,541.82
  5. Step 5: Solve for x
    x = 68,632,686,541.82/269,486.60
  6. Step 6: Final answer
    x = 254,679.40

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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.