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Finding the Fourth Proportional to 442,067.87, 610,053.65 and 240,863.87

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Solution

The fourth proportional to 442,067.87, 610,053.65 and 240,863.87 is: 332,392.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,067.87 : 610,053.65 = 240,863.87 : x
  2. Step 2: Convert to fraction form
    442,067.87/610,053.65 = 240,863.87/x
  3. Step 3: Cross multiply
    442,067.87x = 610,053.65 × 240,863.87
  4. Step 4: Simplify right side
    442,067.87x = 146,939,878,792.04
  5. Step 5: Solve for x
    x = 146,939,878,792.04/442,067.87
  6. Step 6: Final answer
    x = 332,392.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.