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Finding the Fourth Proportional to 559,690.50, 839,535.75 and 204,510.90

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Solution

The fourth proportional to 559,690.50, 839,535.75 and 204,510.90 is: 306,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,690.50 : 839,535.75 = 204,510.90 : x
  2. Step 2: Convert to fraction form
    559,690.50/839,535.75 = 204,510.90/x
  3. Step 3: Cross multiply
    559,690.50x = 839,535.75 × 204,510.90
  4. Step 4: Simplify right side
    559,690.50x = 171,694,211,814.68
  5. Step 5: Solve for x
    x = 171,694,211,814.68/559,690.50
  6. Step 6: Final answer
    x = 306,766.35

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Similar ratio
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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.