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Finding the Fourth Proportional to 592.37, 817.43 and 330.38

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Solution

The fourth proportional to 592.37, 817.43 and 330.38 is: 455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.37 : 817.43 = 330.38 : x
  2. Step 2: Convert to fraction form
    592.37/817.43 = 330.38/x
  3. Step 3: Cross multiply
    592.37x = 817.43 × 330.38
  4. Step 4: Simplify right side
    592.37x = 270,062.92
  5. Step 5: Solve for x
    x = 270,062.92/592.37
  6. Step 6: Final answer
    x = 455.90

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Double scale
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1.5x scale

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.