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Finding the Fourth Proportional to 954.62, 1,317.23 and 534.96

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Solution

The fourth proportional to 954.62, 1,317.23 and 534.96 is: 738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.62 : 1,317.23 = 534.96 : x
  2. Step 2: Convert to fraction form
    954.62/1,317.23 = 534.96/x
  3. Step 3: Cross multiply
    954.62x = 1,317.23 × 534.96
  4. Step 4: Simplify right side
    954.62x = 704,662.69
  5. Step 5: Solve for x
    x = 704,662.69/954.62
  6. Step 6: Final answer
    x = 738.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.