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Finding the Fourth Proportional to 262,041.89, 361,251.63 and 221,593.32

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Solution

The fourth proportional to 262,041.89, 361,251.63 and 221,593.32 is: 305,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,041.89 : 361,251.63 = 221,593.32 : x
  2. Step 2: Convert to fraction form
    262,041.89/361,251.63 = 221,593.32/x
  3. Step 3: Cross multiply
    262,041.89x = 361,251.63 × 221,593.32
  4. Step 4: Simplify right side
    262,041.89x = 80,050,948,047.11
  5. Step 5: Solve for x
    x = 80,050,948,047.11/262,041.89
  6. Step 6: Final answer
    x = 305,489.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.