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Finding the Fourth Proportional to 369.68, 552.01 and 335.60

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Solution

The fourth proportional to 369.68, 552.01 and 335.60 is: 501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.68 : 552.01 = 335.60 : x
  2. Step 2: Convert to fraction form
    369.68/552.01 = 335.60/x
  3. Step 3: Cross multiply
    369.68x = 552.01 × 335.60
  4. Step 4: Simplify right side
    369.68x = 185,254.56
  5. Step 5: Solve for x
    x = 185,254.56/369.68
  6. Step 6: Final answer
    x = 501.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.