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Finding the Fourth Proportional to 534.84, 737.96 and 338.60

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Solution

The fourth proportional to 534.84, 737.96 and 338.60 is: 467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.84 : 737.96 = 338.60 : x
  2. Step 2: Convert to fraction form
    534.84/737.96 = 338.60/x
  3. Step 3: Cross multiply
    534.84x = 737.96 × 338.60
  4. Step 4: Simplify right side
    534.84x = 249,873.26
  5. Step 5: Solve for x
    x = 249,873.26/534.84
  6. Step 6: Final answer
    x = 467.19

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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.