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Finding the Fourth Proportional to 364.80, 503.01 and 271.25

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Solution

The fourth proportional to 364.80, 503.01 and 271.25 is: 374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.80 : 503.01 = 271.25 : x
  2. Step 2: Convert to fraction form
    364.80/503.01 = 271.25/x
  3. Step 3: Cross multiply
    364.80x = 503.01 × 271.25
  4. Step 4: Simplify right side
    364.80x = 136,440.83
  5. Step 5: Solve for x
    x = 136,440.83/364.80
  6. Step 6: Final answer
    x = 374.01

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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.