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Finding the Fourth Proportional to 934.59, 1,402.13 and 832.57

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Solution

The fourth proportional to 934.59, 1,402.13 and 832.57 is: 1,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.59 : 1,402.13 = 832.57 : x
  2. Step 2: Convert to fraction form
    934.59/1,402.13 = 832.57/x
  3. Step 3: Cross multiply
    934.59x = 1,402.13 × 832.57
  4. Step 4: Simplify right side
    934.59x = 1,167,371.37
  5. Step 5: Solve for x
    x = 1,167,371.37/934.59
  6. Step 6: Final answer
    x = 1,249.07

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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.