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Finding the Fourth Proportional to 964.82, 1,331.47 and 592

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Solution

The fourth proportional to 964.82, 1,331.47 and 592 is: 816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.82 : 1,331.47 = 592 : x
  2. Step 2: Convert to fraction form
    964.82/1,331.47 = 592/x
  3. Step 3: Cross multiply
    964.82x = 1,331.47 × 592
  4. Step 4: Simplify right side
    964.82x = 788,230.24
  5. Step 5: Solve for x
    x = 788,230.24/964.82
  6. Step 6: Final answer
    x = 816.97

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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.