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Finding the Fourth Proportional to 903.24, 1,246.02 and 588.56

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Solution

The fourth proportional to 903.24, 1,246.02 and 588.56 is: 811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    903.24 : 1,246.02 = 588.56 : x
  2. Step 2: Convert to fraction form
    903.24/1,246.02 = 588.56/x
  3. Step 3: Cross multiply
    903.24x = 1,246.02 × 588.56
  4. Step 4: Simplify right side
    903.24x = 733,357.53
  5. Step 5: Solve for x
    x = 733,357.53/903.24
  6. Step 6: Final answer
    x = 811.92

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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.