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Finding the Fourth Proportional to 701.19, 967.12 and 670.17

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Solution

The fourth proportional to 701.19, 967.12 and 670.17 is: 924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.19 : 967.12 = 670.17 : x
  2. Step 2: Convert to fraction form
    701.19/967.12 = 670.17/x
  3. Step 3: Cross multiply
    701.19x = 967.12 × 670.17
  4. Step 4: Simplify right side
    701.19x = 648,134.81
  5. Step 5: Solve for x
    x = 648,134.81/701.19
  6. Step 6: Final answer
    x = 924.34

Related Problems

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Half scale
Find fourth proportional to 1,402.38, 1,934.24 and 1,340.34
Double scale
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Similar ratio
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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.