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Finding the Fourth Proportional to 404,387.60, 606,581.40 and 179,747.60

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Solution

The fourth proportional to 404,387.60, 606,581.40 and 179,747.60 is: 269,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,387.60 : 606,581.40 = 179,747.60 : x
  2. Step 2: Convert to fraction form
    404,387.60/606,581.40 = 179,747.60/x
  3. Step 3: Cross multiply
    404,387.60x = 606,581.40 × 179,747.60
  4. Step 4: Simplify right side
    404,387.60x = 109,031,550,854.64
  5. Step 5: Solve for x
    x = 109,031,550,854.64/404,387.60
  6. Step 6: Final answer
    x = 269,621.40

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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.