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Finding the Fourth Proportional to 700.54, 966.41 and 544.21

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Solution

The fourth proportional to 700.54, 966.41 and 544.21 is: 750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.54 : 966.41 = 544.21 : x
  2. Step 2: Convert to fraction form
    700.54/966.41 = 544.21/x
  3. Step 3: Cross multiply
    700.54x = 966.41 × 544.21
  4. Step 4: Simplify right side
    700.54x = 525,927.27
  5. Step 5: Solve for x
    x = 525,927.27/700.54
  6. Step 6: Final answer
    x = 750.75

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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.