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Finding the Fourth Proportional to 510,529.56, 765,794.52 and 229,718.76

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Solution

The fourth proportional to 510,529.56, 765,794.52 and 229,718.76 is: 344,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,529.56 : 765,794.52 = 229,718.76 : x
  2. Step 2: Convert to fraction form
    510,529.56/765,794.52 = 229,718.76/x
  3. Step 3: Cross multiply
    510,529.56x = 765,794.52 × 229,718.76
  4. Step 4: Simplify right side
    510,529.56x = 175,917,367,549.20
  5. Step 5: Solve for x
    x = 175,917,367,549.20/510,529.56
  6. Step 6: Final answer
    x = 344,578.22

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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.