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Finding the Fourth Proportional to 671.25, 926.01 and 474.87

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Solution

The fourth proportional to 671.25, 926.01 and 474.87 is: 655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.25 : 926.01 = 474.87 : x
  2. Step 2: Convert to fraction form
    671.25/926.01 = 474.87/x
  3. Step 3: Cross multiply
    671.25x = 926.01 × 474.87
  4. Step 4: Simplify right side
    671.25x = 439,734.37
  5. Step 5: Solve for x
    x = 439,734.37/671.25
  6. Step 6: Final answer
    x = 655.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.