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Finding the Fourth Proportional to 671.04, 925.92 and 376.24

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Solution

The fourth proportional to 671.04, 925.92 and 376.24 is: 519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.04 : 925.92 = 376.24 : x
  2. Step 2: Convert to fraction form
    671.04/925.92 = 376.24/x
  3. Step 3: Cross multiply
    671.04x = 925.92 × 376.24
  4. Step 4: Simplify right side
    671.04x = 348,368.14
  5. Step 5: Solve for x
    x = 348,368.14/671.04
  6. Step 6: Final answer
    x = 519.15

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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.