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Finding the Fourth Proportional to 442,642.82, 610,894.40 and 270,661.58

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Solution

The fourth proportional to 442,642.82, 610,894.40 and 270,661.58 is: 373,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,642.82 : 610,894.40 = 270,661.58 : x
  2. Step 2: Convert to fraction form
    442,642.82/610,894.40 = 270,661.58/x
  3. Step 3: Cross multiply
    442,642.82x = 610,894.40 × 270,661.58
  4. Step 4: Simplify right side
    442,642.82x = 165,345,643,517.15
  5. Step 5: Solve for x
    x = 165,345,643,517.15/442,642.82
  6. Step 6: Final answer
    x = 373,541.91

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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.