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Finding the Fourth Proportional to 700.92, 1,044.66 and 699.84

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Solution

The fourth proportional to 700.92, 1,044.66 and 699.84 is: 1,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.92 : 1,044.66 = 699.84 : x
  2. Step 2: Convert to fraction form
    700.92/1,044.66 = 699.84/x
  3. Step 3: Cross multiply
    700.92x = 1,044.66 × 699.84
  4. Step 4: Simplify right side
    700.92x = 731,094.85
  5. Step 5: Solve for x
    x = 731,094.85/700.92
  6. Step 6: Final answer
    x = 1,043.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.