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Finding the Fourth Proportional to 954.43, 1,317.17 and 534.76

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Solution

The fourth proportional to 954.43, 1,317.17 and 534.76 is: 738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.43 : 1,317.17 = 534.76 : x
  2. Step 2: Convert to fraction form
    954.43/1,317.17 = 534.76/x
  3. Step 3: Cross multiply
    954.43x = 1,317.17 × 534.76
  4. Step 4: Simplify right side
    954.43x = 704,367.87
  5. Step 5: Solve for x
    x = 704,367.87/954.43
  6. Step 6: Final answer
    x = 738.00

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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.