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Finding the Fourth Proportional to 364.16, 544.62 and 271.82

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Solution

The fourth proportional to 364.16, 544.62 and 271.82 is: 406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.16 : 544.62 = 271.82 : x
  2. Step 2: Convert to fraction form
    364.16/544.62 = 271.82/x
  3. Step 3: Cross multiply
    364.16x = 544.62 × 271.82
  4. Step 4: Simplify right side
    364.16x = 148,038.61
  5. Step 5: Solve for x
    x = 148,038.61/364.16
  6. Step 6: Final answer
    x = 406.52

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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.