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Finding the Fourth Proportional to 631.02, 944.10 and 357.24

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Solution

The fourth proportional to 631.02, 944.10 and 357.24 is: 534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.02 : 944.10 = 357.24 : x
  2. Step 2: Convert to fraction form
    631.02/944.10 = 357.24/x
  3. Step 3: Cross multiply
    631.02x = 944.10 × 357.24
  4. Step 4: Simplify right side
    631.02x = 337,270.28
  5. Step 5: Solve for x
    x = 337,270.28/631.02
  6. Step 6: Final answer
    x = 534.48

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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.