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Finding the Fourth Proportional to 982.16, 1,473.51 and 332.94

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Solution

The fourth proportional to 982.16, 1,473.51 and 332.94 is: 499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.16 : 1,473.51 = 332.94 : x
  2. Step 2: Convert to fraction form
    982.16/1,473.51 = 332.94/x
  3. Step 3: Cross multiply
    982.16x = 1,473.51 × 332.94
  4. Step 4: Simplify right side
    982.16x = 490,590.42
  5. Step 5: Solve for x
    x = 490,590.42/982.16
  6. Step 6: Final answer
    x = 499.50

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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.