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Finding the Fourth Proportional to 591.42, 885.95 and 360.44

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Solution

The fourth proportional to 591.42, 885.95 and 360.44 is: 539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.42 : 885.95 = 360.44 : x
  2. Step 2: Convert to fraction form
    591.42/885.95 = 360.44/x
  3. Step 3: Cross multiply
    591.42x = 885.95 × 360.44
  4. Step 4: Simplify right side
    591.42x = 319,331.82
  5. Step 5: Solve for x
    x = 319,331.82/591.42
  6. Step 6: Final answer
    x = 539.94

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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.