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Finding the Fourth Proportional to 701.10, 966.36 and 551.46

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Solution

The fourth proportional to 701.10, 966.36 and 551.46 is: 760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.10 : 966.36 = 551.46 : x
  2. Step 2: Convert to fraction form
    701.10/966.36 = 551.46/x
  3. Step 3: Cross multiply
    701.10x = 966.36 × 551.46
  4. Step 4: Simplify right side
    701.10x = 532,908.89
  5. Step 5: Solve for x
    x = 532,908.89/701.10
  6. Step 6: Final answer
    x = 760.10

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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.