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Finding the Fourth Proportional to 539.95, 744.86 and 362.95

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Solution

The fourth proportional to 539.95, 744.86 and 362.95 is: 500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.95 : 744.86 = 362.95 : x
  2. Step 2: Convert to fraction form
    539.95/744.86 = 362.95/x
  3. Step 3: Cross multiply
    539.95x = 744.86 × 362.95
  4. Step 4: Simplify right side
    539.95x = 270,343.26
  5. Step 5: Solve for x
    x = 270,343.26/539.95
  6. Step 6: Final answer
    x = 500.68

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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.