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Finding the Fourth Proportional to 700.20, 966.67 and 464.46

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Solution

The fourth proportional to 700.20, 966.67 and 464.46 is: 641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.20 : 966.67 = 464.46 : x
  2. Step 2: Convert to fraction form
    700.20/966.67 = 464.46/x
  3. Step 3: Cross multiply
    700.20x = 966.67 × 464.46
  4. Step 4: Simplify right side
    700.20x = 448,984.01
  5. Step 5: Solve for x
    x = 448,984.01/700.20
  6. Step 6: Final answer
    x = 641.23

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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.