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Finding the Fourth Proportional to 593.53, 890.06 and 285.22

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Solution

The fourth proportional to 593.53, 890.06 and 285.22 is: 427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.53 : 890.06 = 285.22 : x
  2. Step 2: Convert to fraction form
    593.53/890.06 = 285.22/x
  3. Step 3: Cross multiply
    593.53x = 890.06 × 285.22
  4. Step 4: Simplify right side
    593.53x = 253,865.01
  5. Step 5: Solve for x
    x = 253,865.01/593.53
  6. Step 6: Final answer
    x = 427.72

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Double scale
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Similar ratio
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1.5x scale

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.