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Finding the Fourth Proportional to 983.04, 1,473.96 and 366.74

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Solution

The fourth proportional to 983.04, 1,473.96 and 366.74 is: 549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.04 : 1,473.96 = 366.74 : x
  2. Step 2: Convert to fraction form
    983.04/1,473.96 = 366.74/x
  3. Step 3: Cross multiply
    983.04x = 1,473.96 × 366.74
  4. Step 4: Simplify right side
    983.04x = 540,560.09
  5. Step 5: Solve for x
    x = 540,560.09/983.04
  6. Step 6: Final answer
    x = 549.89

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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.