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Finding the Fourth Proportional to 558,834.70, 838,284.45 and 159,504.70

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Solution

The fourth proportional to 558,834.70, 838,284.45 and 159,504.70 is: 239,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,834.70 : 838,284.45 = 159,504.70 : x
  2. Step 2: Convert to fraction form
    558,834.70/838,284.45 = 159,504.70/x
  3. Step 3: Cross multiply
    558,834.70x = 838,284.45 × 159,504.70
  4. Step 4: Simplify right side
    558,834.70x = 133,710,309,711.92
  5. Step 5: Solve for x
    x = 133,710,309,711.92/558,834.70
  6. Step 6: Final answer
    x = 239,266.30

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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.