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Finding the Fourth Proportional to 1,560.33, 2,340.66 and 534.41

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Solution

The fourth proportional to 1,560.33, 2,340.66 and 534.41 is: 801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.33 : 2,340.66 = 534.41 : x
  2. Step 2: Convert to fraction form
    1,560.33/2,340.66 = 534.41/x
  3. Step 3: Cross multiply
    1,560.33x = 2,340.66 × 534.41
  4. Step 4: Simplify right side
    1,560.33x = 1,250,869.44
  5. Step 5: Solve for x
    x = 1,250,869.44/1,560.33
  6. Step 6: Final answer
    x = 801.67

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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.