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Finding the Fourth Proportional to 510,523.56, 765,785.52 and 229,712.76

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Solution

The fourth proportional to 510,523.56, 765,785.52 and 229,712.76 is: 344,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,523.56 : 765,785.52 = 229,712.76 : x
  2. Step 2: Convert to fraction form
    510,523.56/765,785.52 = 229,712.76/x
  3. Step 3: Cross multiply
    510,523.56x = 765,785.52 × 229,712.76
  4. Step 4: Simplify right side
    510,523.56x = 175,910,705,367.24
  5. Step 5: Solve for x
    x = 175,910,705,367.24/510,523.56
  6. Step 6: Final answer
    x = 344,569.22

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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.