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Finding the Fourth Proportional to 530,713.14, 796,115.84 and 170,920.20

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Solution

The fourth proportional to 530,713.14, 796,115.84 and 170,920.20 is: 256,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,713.14 : 796,115.84 = 170,920.20 : x
  2. Step 2: Convert to fraction form
    530,713.14/796,115.84 = 170,920.20/x
  3. Step 3: Cross multiply
    530,713.14x = 796,115.84 × 170,920.20
  4. Step 4: Simplify right side
    530,713.14x = 136,072,279,449.15
  5. Step 5: Solve for x
    x = 136,072,279,449.15/530,713.14
  6. Step 6: Final answer
    x = 256,395.16

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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.