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Finding the Fourth Proportional to 337.77, 505.58 and 325.01

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Solution

The fourth proportional to 337.77, 505.58 and 325.01 is: 486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.77 : 505.58 = 325.01 : x
  2. Step 2: Convert to fraction form
    337.77/505.58 = 325.01/x
  3. Step 3: Cross multiply
    337.77x = 505.58 × 325.01
  4. Step 4: Simplify right side
    337.77x = 164,318.56
  5. Step 5: Solve for x
    x = 164,318.56/337.77
  6. Step 6: Final answer
    x = 486.48

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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.