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Finding the Fourth Proportional to 568,015.90, 852,023.85 and 168,718.30

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Solution

The fourth proportional to 568,015.90, 852,023.85 and 168,718.30 is: 253,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,015.90 : 852,023.85 = 168,718.30 : x
  2. Step 2: Convert to fraction form
    568,015.90/852,023.85 = 168,718.30/x
  3. Step 3: Cross multiply
    568,015.90x = 852,023.85 × 168,718.30
  4. Step 4: Simplify right side
    568,015.90x = 143,752,015,531.46
  5. Step 5: Solve for x
    x = 143,752,015,531.46/568,015.90
  6. Step 6: Final answer
    x = 253,077.45

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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.