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Finding the Fourth Proportional to 994.32, 1,373.04 and 732.24

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Solution

The fourth proportional to 994.32, 1,373.04 and 732.24 is: 1,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.32 : 1,373.04 = 732.24 : x
  2. Step 2: Convert to fraction form
    994.32/1,373.04 = 732.24/x
  3. Step 3: Cross multiply
    994.32x = 1,373.04 × 732.24
  4. Step 4: Simplify right side
    994.32x = 1,005,394.81
  5. Step 5: Solve for x
    x = 1,005,394.81/994.32
  6. Step 6: Final answer
    x = 1,011.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.