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Finding the Fourth Proportional to 467,257.69, 644,815.88 and 252,397.74

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Solution

The fourth proportional to 467,257.69, 644,815.88 and 252,397.74 is: 348,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,257.69 : 644,815.88 = 252,397.74 : x
  2. Step 2: Convert to fraction form
    467,257.69/644,815.88 = 252,397.74/x
  3. Step 3: Cross multiply
    467,257.69x = 644,815.88 × 252,397.74
  4. Step 4: Simplify right side
    467,257.69x = 162,750,070,828.11
  5. Step 5: Solve for x
    x = 162,750,070,828.11/467,257.69
  6. Step 6: Final answer
    x = 348,309.03

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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.