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Finding the Fourth Proportional to 941.55, 1,299.33 and 592.17

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Solution

The fourth proportional to 941.55, 1,299.33 and 592.17 is: 817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.55 : 1,299.33 = 592.17 : x
  2. Step 2: Convert to fraction form
    941.55/1,299.33 = 592.17/x
  3. Step 3: Cross multiply
    941.55x = 1,299.33 × 592.17
  4. Step 4: Simplify right side
    941.55x = 769,424.25
  5. Step 5: Solve for x
    x = 769,424.25/941.55
  6. Step 6: Final answer
    x = 817.19

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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.