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Finding the Fourth Proportional to 364.74, 503.14 and 271.18

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Solution

The fourth proportional to 364.74, 503.14 and 271.18 is: 374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.74 : 503.14 = 271.18 : x
  2. Step 2: Convert to fraction form
    364.74/503.14 = 271.18/x
  3. Step 3: Cross multiply
    364.74x = 503.14 × 271.18
  4. Step 4: Simplify right side
    364.74x = 136,441.51
  5. Step 5: Solve for x
    x = 136,441.51/364.74
  6. Step 6: Final answer
    x = 374.08

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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.