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Finding the Fourth Proportional to 374.40, 562.52 and 336.12

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Solution

The fourth proportional to 374.40, 562.52 and 336.12 is: 505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.40 : 562.52 = 336.12 : x
  2. Step 2: Convert to fraction form
    374.40/562.52 = 336.12/x
  3. Step 3: Cross multiply
    374.40x = 562.52 × 336.12
  4. Step 4: Simplify right side
    374.40x = 189,074.22
  5. Step 5: Solve for x
    x = 189,074.22/374.40
  6. Step 6: Final answer
    x = 505.01

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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.