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Finding the Fourth Proportional to 592.06, 817 and 330.06

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Solution

The fourth proportional to 592.06, 817 and 330.06 is: 455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.06 : 817 = 330.06 : x
  2. Step 2: Convert to fraction form
    592.06/817 = 330.06/x
  3. Step 3: Cross multiply
    592.06x = 817 × 330.06
  4. Step 4: Simplify right side
    592.06x = 269,659.02
  5. Step 5: Solve for x
    x = 269,659.02/592.06
  6. Step 6: Final answer
    x = 455.46

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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.