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Finding the Fourth Proportional to 576.54, 795.63 and 314.55

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Solution

The fourth proportional to 576.54, 795.63 and 314.55 is: 434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.54 : 795.63 = 314.55 : x
  2. Step 2: Convert to fraction form
    576.54/795.63 = 314.55/x
  3. Step 3: Cross multiply
    576.54x = 795.63 × 314.55
  4. Step 4: Simplify right side
    576.54x = 250,265.42
  5. Step 5: Solve for x
    x = 250,265.42/576.54
  6. Step 6: Final answer
    x = 434.08

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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.