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Finding the Fourth Proportional to 696.92, 1,043.04 and 601.88

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Solution

The fourth proportional to 696.92, 1,043.04 and 601.88 is: 900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.92 : 1,043.04 = 601.88 : x
  2. Step 2: Convert to fraction form
    696.92/1,043.04 = 601.88/x
  3. Step 3: Cross multiply
    696.92x = 1,043.04 × 601.88
  4. Step 4: Simplify right side
    696.92x = 627,784.92
  5. Step 5: Solve for x
    x = 627,784.92/696.92
  6. Step 6: Final answer
    x = 900.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.