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Finding the Fourth Proportional to 532,849.20, 798,593.40 and 216,949.20

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Solution

The fourth proportional to 532,849.20, 798,593.40 and 216,949.20 is: 325,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,849.20 : 798,593.40 = 216,949.20 : x
  2. Step 2: Convert to fraction form
    532,849.20/798,593.40 = 216,949.20/x
  3. Step 3: Cross multiply
    532,849.20x = 798,593.40 × 216,949.20
  4. Step 4: Simplify right side
    532,849.20x = 173,254,199,255.28
  5. Step 5: Solve for x
    x = 173,254,199,255.28/532,849.20
  6. Step 6: Final answer
    x = 325,146.78

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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.