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Finding the Fourth Proportional to 484,594.76, 726,891.98 and 129,599.56

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Solution

The fourth proportional to 484,594.76, 726,891.98 and 129,599.56 is: 194,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,594.76 : 726,891.98 = 129,599.56 : x
  2. Step 2: Convert to fraction form
    484,594.76/726,891.98 = 129,599.56/x
  3. Step 3: Cross multiply
    484,594.76x = 726,891.98 × 129,599.56
  4. Step 4: Simplify right side
    484,594.76x = 94,204,880,775.53
  5. Step 5: Solve for x
    x = 94,204,880,775.53/484,594.76
  6. Step 6: Final answer
    x = 194,399.30

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1.5x scale

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.