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Finding the Fourth Proportional to 559,847.20, 839,803.20 and 160,517.20

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Solution

The fourth proportional to 559,847.20, 839,803.20 and 160,517.20 is: 240,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,847.20 : 839,803.20 = 160,517.20 : x
  2. Step 2: Convert to fraction form
    559,847.20/839,803.20 = 160,517.20/x
  3. Step 3: Cross multiply
    559,847.20x = 839,803.20 × 160,517.20
  4. Step 4: Simplify right side
    559,847.20x = 134,802,858,215.04
  5. Step 5: Solve for x
    x = 134,802,858,215.04/559,847.20
  6. Step 6: Final answer
    x = 240,785.09

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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.