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Finding the Fourth Proportional to 593.84, 890.76 and 209.12

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Solution

The fourth proportional to 593.84, 890.76 and 209.12 is: 313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.84 : 890.76 = 209.12 : x
  2. Step 2: Convert to fraction form
    593.84/890.76 = 209.12/x
  3. Step 3: Cross multiply
    593.84x = 890.76 × 209.12
  4. Step 4: Simplify right side
    593.84x = 186,275.73
  5. Step 5: Solve for x
    x = 186,275.73/593.84
  6. Step 6: Final answer
    x = 313.68

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.