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Finding the Fourth Proportional to 269,568.40, 404,352.60 and 185,587.60

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Solution

The fourth proportional to 269,568.40, 404,352.60 and 185,587.60 is: 278,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568.40 : 404,352.60 = 185,587.60 : x
  2. Step 2: Convert to fraction form
    269,568.40/404,352.60 = 185,587.60/x
  3. Step 3: Cross multiply
    269,568.40x = 404,352.60 × 185,587.60
  4. Step 4: Simplify right side
    269,568.40x = 75,042,828,587.76
  5. Step 5: Solve for x
    x = 75,042,828,587.76/269,568.40
  6. Step 6: Final answer
    x = 278,381.40

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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.