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Finding the Fourth Proportional to 593.55, 890.14 and 315.74

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Solution

The fourth proportional to 593.55, 890.14 and 315.74 is: 473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.55 : 890.14 = 315.74 : x
  2. Step 2: Convert to fraction form
    593.55/890.14 = 315.74/x
  3. Step 3: Cross multiply
    593.55x = 890.14 × 315.74
  4. Step 4: Simplify right side
    593.55x = 281,052.80
  5. Step 5: Solve for x
    x = 281,052.80/593.55
  6. Step 6: Final answer
    x = 473.51

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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.