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Finding the Fourth Proportional to 934.41, 1,402.81 and 583.55

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Solution

The fourth proportional to 934.41, 1,402.81 and 583.55 is: 876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.41 : 1,402.81 = 583.55 : x
  2. Step 2: Convert to fraction form
    934.41/1,402.81 = 583.55/x
  3. Step 3: Cross multiply
    934.41x = 1,402.81 × 583.55
  4. Step 4: Simplify right side
    934.41x = 818,609.78
  5. Step 5: Solve for x
    x = 818,609.78/934.41
  6. Step 6: Final answer
    x = 876.07

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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.