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Finding the Fourth Proportional to 592.38, 817.08 and 356.22

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Solution

The fourth proportional to 592.38, 817.08 and 356.22 is: 491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.38 : 817.08 = 356.22 : x
  2. Step 2: Convert to fraction form
    592.38/817.08 = 356.22/x
  3. Step 3: Cross multiply
    592.38x = 817.08 × 356.22
  4. Step 4: Simplify right side
    592.38x = 291,060.24
  5. Step 5: Solve for x
    x = 291,060.24/592.38
  6. Step 6: Final answer
    x = 491.34

Related Problems

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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.