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Finding the Fourth Proportional to 941.42, 1,299.12 and 592.34

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Solution

The fourth proportional to 941.42, 1,299.12 and 592.34 is: 817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.42 : 1,299.12 = 592.34 : x
  2. Step 2: Convert to fraction form
    941.42/1,299.12 = 592.34/x
  3. Step 3: Cross multiply
    941.42x = 1,299.12 × 592.34
  4. Step 4: Simplify right side
    941.42x = 769,520.74
  5. Step 5: Solve for x
    x = 769,520.74/941.42
  6. Step 6: Final answer
    x = 817.40

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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.