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Finding the Fourth Proportional to 350.02, 483.05 and 202.69

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Solution

The fourth proportional to 350.02, 483.05 and 202.69 is: 279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.02 : 483.05 = 202.69 : x
  2. Step 2: Convert to fraction form
    350.02/483.05 = 202.69/x
  3. Step 3: Cross multiply
    350.02x = 483.05 × 202.69
  4. Step 4: Simplify right side
    350.02x = 97,905.98
  5. Step 5: Solve for x
    x = 97,905.98/350.02
  6. Step 6: Final answer
    x = 279.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.