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Finding the Fourth Proportional to 442,257.62, 610,317.32 and 251,281.49

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Solution

The fourth proportional to 442,257.62, 610,317.32 and 251,281.49 is: 346,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,257.62 : 610,317.32 = 251,281.49 : x
  2. Step 2: Convert to fraction form
    442,257.62/610,317.32 = 251,281.49/x
  3. Step 3: Cross multiply
    442,257.62x = 610,317.32 × 251,281.49
  4. Step 4: Simplify right side
    442,257.62x = 153,361,441,234.41
  5. Step 5: Solve for x
    x = 153,361,441,234.41/442,257.62
  6. Step 6: Final answer
    x = 346,769.48

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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.