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Finding the Fourth Proportional to 571,934.65, 856,856.32 and 267,770.79

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Solution

The fourth proportional to 571,934.65, 856,856.32 and 267,770.79 is: 401,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,934.65 : 856,856.32 = 267,770.79 : x
  2. Step 2: Convert to fraction form
    571,934.65/856,856.32 = 267,770.79/x
  3. Step 3: Cross multiply
    571,934.65x = 856,856.32 × 267,770.79
  4. Step 4: Simplify right side
    571,934.65x = 229,441,092,384.04
  5. Step 5: Solve for x
    x = 229,441,092,384.04/571,934.65
  6. Step 6: Final answer
    x = 401,166.62

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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.