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Finding the Fourth Proportional to 941.36, 1,299.18 and 592.16

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Solution

The fourth proportional to 941.36, 1,299.18 and 592.16 is: 817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.36 : 1,299.18 = 592.16 : x
  2. Step 2: Convert to fraction form
    941.36/1,299.18 = 592.16/x
  3. Step 3: Cross multiply
    941.36x = 1,299.18 × 592.16
  4. Step 4: Simplify right side
    941.36x = 769,322.43
  5. Step 5: Solve for x
    x = 769,322.43/941.36
  6. Step 6: Final answer
    x = 817.25

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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.