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Finding the Fourth Proportional to 610.31, 841.79 and 560.67

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Solution

The fourth proportional to 610.31, 841.79 and 560.67 is: 773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.31 : 841.79 = 560.67 : x
  2. Step 2: Convert to fraction form
    610.31/841.79 = 560.67/x
  3. Step 3: Cross multiply
    610.31x = 841.79 × 560.67
  4. Step 4: Simplify right side
    610.31x = 471,969.38
  5. Step 5: Solve for x
    x = 471,969.38/610.31
  6. Step 6: Final answer
    x = 773.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.