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Finding the Fourth Proportional to 963.93, 1,330.23 and 544.24

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Solution

The fourth proportional to 963.93, 1,330.23 and 544.24 is: 751.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.93 : 1,330.23 = 544.24 : x
  2. Step 2: Convert to fraction form
    963.93/1,330.23 = 544.24/x
  3. Step 3: Cross multiply
    963.93x = 1,330.23 × 544.24
  4. Step 4: Simplify right side
    963.93x = 723,964.38
  5. Step 5: Solve for x
    x = 723,964.38/963.93
  6. Step 6: Final answer
    x = 751.05

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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.