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Finding the Fourth Proportional to 364.95, 547.82 and 202.59

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Solution

The fourth proportional to 364.95, 547.82 and 202.59 is: 304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.95 : 547.82 = 202.59 : x
  2. Step 2: Convert to fraction form
    364.95/547.82 = 202.59/x
  3. Step 3: Cross multiply
    364.95x = 547.82 × 202.59
  4. Step 4: Simplify right side
    364.95x = 110,981.84
  5. Step 5: Solve for x
    x = 110,981.84/364.95
  6. Step 6: Final answer
    x = 304.10

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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.