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Finding the Fourth Proportional to 1,497.44, 2,246.32 and 631.64

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Solution

The fourth proportional to 1,497.44, 2,246.32 and 631.64 is: 947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.44 : 2,246.32 = 631.64 : x
  2. Step 2: Convert to fraction form
    1,497.44/2,246.32 = 631.64/x
  3. Step 3: Cross multiply
    1,497.44x = 2,246.32 × 631.64
  4. Step 4: Simplify right side
    1,497.44x = 1,418,865.56
  5. Step 5: Solve for x
    x = 1,418,865.56/1,497.44
  6. Step 6: Final answer
    x = 947.53

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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.