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Finding the Fourth Proportional to 884.20, 1,325.16 and 473.52

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Solution

The fourth proportional to 884.20, 1,325.16 and 473.52 is: 709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.20 : 1,325.16 = 473.52 : x
  2. Step 2: Convert to fraction form
    884.20/1,325.16 = 473.52/x
  3. Step 3: Cross multiply
    884.20x = 1,325.16 × 473.52
  4. Step 4: Simplify right side
    884.20x = 627,489.76
  5. Step 5: Solve for x
    x = 627,489.76/884.20
  6. Step 6: Final answer
    x = 709.67

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Double scale
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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.