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Finding the Fourth Proportional to 949.62, 1,424.97 and 364.53

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Solution

The fourth proportional to 949.62, 1,424.97 and 364.53 is: 547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.62 : 1,424.97 = 364.53 : x
  2. Step 2: Convert to fraction form
    949.62/1,424.97 = 364.53/x
  3. Step 3: Cross multiply
    949.62x = 1,424.97 × 364.53
  4. Step 4: Simplify right side
    949.62x = 519,444.31
  5. Step 5: Solve for x
    x = 519,444.31/949.62
  6. Step 6: Final answer
    x = 547.00

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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.