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Finding the Fourth Proportional to 466.99, 698.85 and 383.72

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Solution

The fourth proportional to 466.99, 698.85 and 383.72 is: 574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.99 : 698.85 = 383.72 : x
  2. Step 2: Convert to fraction form
    466.99/698.85 = 383.72/x
  3. Step 3: Cross multiply
    466.99x = 698.85 × 383.72
  4. Step 4: Simplify right side
    466.99x = 268,164.24
  5. Step 5: Solve for x
    x = 268,164.24/466.99
  6. Step 6: Final answer
    x = 574.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.