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Finding the Fourth Proportional to 701.95, 968.67 and 440.11

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Solution

The fourth proportional to 701.95, 968.67 and 440.11 is: 607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.95 : 968.67 = 440.11 : x
  2. Step 2: Convert to fraction form
    701.95/968.67 = 440.11/x
  3. Step 3: Cross multiply
    701.95x = 968.67 × 440.11
  4. Step 4: Simplify right side
    701.95x = 426,321.35
  5. Step 5: Solve for x
    x = 426,321.35/701.95
  6. Step 6: Final answer
    x = 607.34

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Half scale
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Double scale
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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.