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Finding the Fourth Proportional to 969.01, 1,337.22 and 526.92

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Solution

The fourth proportional to 969.01, 1,337.22 and 526.92 is: 727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.01 : 1,337.22 = 526.92 : x
  2. Step 2: Convert to fraction form
    969.01/1,337.22 = 526.92/x
  3. Step 3: Cross multiply
    969.01x = 1,337.22 × 526.92
  4. Step 4: Simplify right side
    969.01x = 704,601.28
  5. Step 5: Solve for x
    x = 704,601.28/969.01
  6. Step 6: Final answer
    x = 727.14

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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.