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Finding the Fourth Proportional to 844.42, 1,165.46 and 704.32

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Solution

The fourth proportional to 844.42, 1,165.46 and 704.32 is: 972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.42 : 1,165.46 = 704.32 : x
  2. Step 2: Convert to fraction form
    844.42/1,165.46 = 704.32/x
  3. Step 3: Cross multiply
    844.42x = 1,165.46 × 704.32
  4. Step 4: Simplify right side
    844.42x = 820,856.79
  5. Step 5: Solve for x
    x = 820,856.79/844.42
  6. Step 6: Final answer
    x = 972.10

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1.5x scale

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.