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Finding the Fourth Proportional to 966.53, 1,448.40 and 601.10

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Solution

The fourth proportional to 966.53, 1,448.40 and 601.10 is: 900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.53 : 1,448.40 = 601.10 : x
  2. Step 2: Convert to fraction form
    966.53/1,448.40 = 601.10/x
  3. Step 3: Cross multiply
    966.53x = 1,448.40 × 601.10
  4. Step 4: Simplify right side
    966.53x = 870,633.24
  5. Step 5: Solve for x
    x = 870,633.24/966.53
  6. Step 6: Final answer
    x = 900.78

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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.