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Finding the Fourth Proportional to 407.97, 562.95 and 337.77

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Solution

The fourth proportional to 407.97, 562.95 and 337.77 is: 466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407.97 : 562.95 = 337.77 : x
  2. Step 2: Convert to fraction form
    407.97/562.95 = 337.77/x
  3. Step 3: Cross multiply
    407.97x = 562.95 × 337.77
  4. Step 4: Simplify right side
    407.97x = 190,147.62
  5. Step 5: Solve for x
    x = 190,147.62/407.97
  6. Step 6: Final answer
    x = 466.08

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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.