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Finding the Fourth Proportional to 3,593,340.80, 5,390,788.80 and 1,069,251.20

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Solution

The fourth proportional to 3,593,340.80, 5,390,788.80 and 1,069,251.20 is: 1,604,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593,340.80 : 5,390,788.80 = 1,069,251.20 : x
  2. Step 2: Convert to fraction form
    3,593,340.80/5,390,788.80 = 1,069,251.20/x
  3. Step 3: Cross multiply
    3,593,340.80x = 5,390,788.80 × 1,069,251.20
  4. Step 4: Simplify right side
    3,593,340.80x = 5,764,107,393,346.56
  5. Step 5: Solve for x
    x = 5,764,107,393,346.56/3,593,340.80
  6. Step 6: Final answer
    x = 1,604,108.19

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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.