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Finding the Fourth Proportional to 442,207.44, 610,248.29 and 251,231.31

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Solution

The fourth proportional to 442,207.44, 610,248.29 and 251,231.31 is: 346,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,207.44 : 610,248.29 = 251,231.31 : x
  2. Step 2: Convert to fraction form
    442,207.44/610,248.29 = 251,231.31/x
  3. Step 3: Cross multiply
    442,207.44x = 610,248.29 × 251,231.31
  4. Step 4: Simplify right side
    442,207.44x = 153,313,476,065.80
  5. Step 5: Solve for x
    x = 153,313,476,065.80/442,207.44
  6. Step 6: Final answer
    x = 346,700.35

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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.