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Finding the Fourth Proportional to 965.07, 1,331.82 and 592.25

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Solution

The fourth proportional to 965.07, 1,331.82 and 592.25 is: 817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    965.07 : 1,331.82 = 592.25 : x
  2. Step 2: Convert to fraction form
    965.07/1,331.82 = 592.25/x
  3. Step 3: Cross multiply
    965.07x = 1,331.82 × 592.25
  4. Step 4: Simplify right side
    965.07x = 788,760.77
  5. Step 5: Solve for x
    x = 788,760.77/965.07
  6. Step 6: Final answer
    x = 817.31

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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.