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Finding the Fourth Proportional to 954.42, 1,317.04 and 534.68

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Solution

The fourth proportional to 954.42, 1,317.04 and 534.68 is: 737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.42 : 1,317.04 = 534.68 : x
  2. Step 2: Convert to fraction form
    954.42/1,317.04 = 534.68/x
  3. Step 3: Cross multiply
    954.42x = 1,317.04 × 534.68
  4. Step 4: Simplify right side
    954.42x = 704,194.95
  5. Step 5: Solve for x
    x = 704,194.95/954.42
  6. Step 6: Final answer
    x = 737.83

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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.