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Finding the Fourth Proportional to 510,571.92, 765,857.52 and 229,761.12

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Solution

The fourth proportional to 510,571.92, 765,857.52 and 229,761.12 is: 344,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,571.92 : 765,857.52 = 229,761.12 : x
  2. Step 2: Convert to fraction form
    510,571.92/765,857.52 = 229,761.12/x
  3. Step 3: Cross multiply
    510,571.92x = 765,857.52 × 229,761.12
  4. Step 4: Simplify right side
    510,571.92x = 175,964,281,555.62
  5. Step 5: Solve for x
    x = 175,964,281,555.62/510,571.92
  6. Step 6: Final answer
    x = 344,641.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.