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Finding the Fourth Proportional to 374.32, 561.66 and 333.46

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Solution

The fourth proportional to 374.32, 561.66 and 333.46 is: 500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.32 : 561.66 = 333.46 : x
  2. Step 2: Convert to fraction form
    374.32/561.66 = 333.46/x
  3. Step 3: Cross multiply
    374.32x = 561.66 × 333.46
  4. Step 4: Simplify right side
    374.32x = 187,291.14
  5. Step 5: Solve for x
    x = 187,291.14/374.32
  6. Step 6: Final answer
    x = 500.35

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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.