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Finding the Fourth Proportional to 484,352.30, 726,200.40 and 247,500.20

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Solution

The fourth proportional to 484,352.30, 726,200.40 and 247,500.20 is: 371,082.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,352.30 : 726,200.40 = 247,500.20 : x
  2. Step 2: Convert to fraction form
    484,352.30/726,200.40 = 247,500.20/x
  3. Step 3: Cross multiply
    484,352.30x = 726,200.40 × 247,500.20
  4. Step 4: Simplify right side
    484,352.30x = 179,734,744,240.08
  5. Step 5: Solve for x
    x = 179,734,744,240.08/484,352.30
  6. Step 6: Final answer
    x = 371,082.67

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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.