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Finding the Fourth Proportional to 982.46, 1,471.74 and 592.57

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Solution

The fourth proportional to 982.46, 1,471.74 and 592.57 is: 887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.46 : 1,471.74 = 592.57 : x
  2. Step 2: Convert to fraction form
    982.46/1,471.74 = 592.57/x
  3. Step 3: Cross multiply
    982.46x = 1,471.74 × 592.57
  4. Step 4: Simplify right side
    982.46x = 872,101.61
  5. Step 5: Solve for x
    x = 872,101.61/982.46
  6. Step 6: Final answer
    x = 887.67

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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.