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Finding the Fourth Proportional to 969.02, 1,337.24 and 526.92

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Solution

The fourth proportional to 969.02, 1,337.24 and 526.92 is: 727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    969.02 : 1,337.24 = 526.92 : x
  2. Step 2: Convert to fraction form
    969.02/1,337.24 = 526.92/x
  3. Step 3: Cross multiply
    969.02x = 1,337.24 × 526.92
  4. Step 4: Simplify right side
    969.02x = 704,618.39
  5. Step 5: Solve for x
    x = 704,618.39/969.02
  6. Step 6: Final answer
    x = 727.15

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Double scale
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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.