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Finding the Fourth Proportional to 337.90, 474.50 and 337.90

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Solution

The fourth proportional to 337.90, 474.50 and 337.90 is: 474.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.90 : 474.50 = 337.90 : x
  2. Step 2: Convert to fraction form
    337.90/474.50 = 337.90/x
  3. Step 3: Cross multiply
    337.90x = 474.50 × 337.90
  4. Step 4: Simplify right side
    337.90x = 160,333.55
  5. Step 5: Solve for x
    x = 160,333.55/337.90
  6. Step 6: Final answer
    x = 474.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.