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Finding the Fourth Proportional to 994.83, 1,373.38 and 701.41

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Solution

The fourth proportional to 994.83, 1,373.38 and 701.41 is: 968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    994.83 : 1,373.38 = 701.41 : x
  2. Step 2: Convert to fraction form
    994.83/1,373.38 = 701.41/x
  3. Step 3: Cross multiply
    994.83x = 1,373.38 × 701.41
  4. Step 4: Simplify right side
    994.83x = 963,300.75
  5. Step 5: Solve for x
    x = 963,300.75/994.83
  6. Step 6: Final answer
    x = 968.31

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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.