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Finding the Fourth Proportional to 696.01, 1,044.48 and 627.67

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Solution

The fourth proportional to 696.01, 1,044.48 and 627.67 is: 941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.01 : 1,044.48 = 627.67 : x
  2. Step 2: Convert to fraction form
    696.01/1,044.48 = 627.67/x
  3. Step 3: Cross multiply
    696.01x = 1,044.48 × 627.67
  4. Step 4: Simplify right side
    696.01x = 655,588.76
  5. Step 5: Solve for x
    x = 655,588.76/696.01
  6. Step 6: Final answer
    x = 941.92

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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.