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Finding the Fourth Proportional to 592, 816.56 and 358.96

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Solution

The fourth proportional to 592, 816.56 and 358.96 is: 495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592 : 816.56 = 358.96 : x
  2. Step 2: Convert to fraction form
    592/816.56 = 358.96/x
  3. Step 3: Cross multiply
    592x = 816.56 × 358.96
  4. Step 4: Simplify right side
    592x = 293,112.38
  5. Step 5: Solve for x
    x = 293,112.38/592
  6. Step 6: Final answer
    x = 495.12

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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.