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Finding the Fourth Proportional to 571,010.76, 856,522.20 and 233,964.90

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Solution

The fourth proportional to 571,010.76, 856,522.20 and 233,964.90 is: 350,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,010.76 : 856,522.20 = 233,964.90 : x
  2. Step 2: Convert to fraction form
    571,010.76/856,522.20 = 233,964.90/x
  3. Step 3: Cross multiply
    571,010.76x = 856,522.20 × 233,964.90
  4. Step 4: Simplify right side
    571,010.76x = 200,396,130,870.78
  5. Step 5: Solve for x
    x = 200,396,130,870.78/571,010.76
  6. Step 6: Final answer
    x = 350,949.83

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Double scale
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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.