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Finding the Fourth Proportional to 573,010.12, 859,515.18 and 217,942.12

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Solution

The fourth proportional to 573,010.12, 859,515.18 and 217,942.12 is: 326,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,010.12 : 859,515.18 = 217,942.12 : x
  2. Step 2: Convert to fraction form
    573,010.12/859,515.18 = 217,942.12/x
  3. Step 3: Cross multiply
    573,010.12x = 859,515.18 × 217,942.12
  4. Step 4: Simplify right side
    573,010.12x = 187,324,560,501.38
  5. Step 5: Solve for x
    x = 187,324,560,501.38/573,010.12
  6. Step 6: Final answer
    x = 326,913.18

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Similar ratio
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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.