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Finding the Fourth Proportional to 559,967.20, 839,732.40 and 244,208.80

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Solution

The fourth proportional to 559,967.20, 839,732.40 and 244,208.80 is: 366,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,967.20 : 839,732.40 = 244,208.80 : x
  2. Step 2: Convert to fraction form
    559,967.20/839,732.40 = 244,208.80/x
  3. Step 3: Cross multiply
    559,967.20x = 839,732.40 × 244,208.80
  4. Step 4: Simplify right side
    559,967.20x = 205,070,041,725.12
  5. Step 5: Solve for x
    x = 205,070,041,725.12/559,967.20
  6. Step 6: Final answer
    x = 366,217.95

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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.