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Finding the Fourth Proportional to 591,763.20, 887,500.80 and 170,995.20

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Solution

The fourth proportional to 591,763.20, 887,500.80 and 170,995.20 is: 256,451.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,763.20 : 887,500.80 = 170,995.20 : x
  2. Step 2: Convert to fraction form
    591,763.20/887,500.80 = 170,995.20/x
  3. Step 3: Cross multiply
    591,763.20x = 887,500.80 × 170,995.20
  4. Step 4: Simplify right side
    591,763.20x = 151,758,376,796.16
  5. Step 5: Solve for x
    x = 151,758,376,796.16/591,763.20
  6. Step 6: Final answer
    x = 256,451.19

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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.