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Finding the Fourth Proportional to 982.19, 1,473.01 and 366.14

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Solution

The fourth proportional to 982.19, 1,473.01 and 366.14 is: 549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    982.19 : 1,473.01 = 366.14 : x
  2. Step 2: Convert to fraction form
    982.19/1,473.01 = 366.14/x
  3. Step 3: Cross multiply
    982.19x = 1,473.01 × 366.14
  4. Step 4: Simplify right side
    982.19x = 539,327.88
  5. Step 5: Solve for x
    x = 539,327.88/982.19
  6. Step 6: Final answer
    x = 549.11

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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.