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Finding the Fourth Proportional to 350.10, 482.93 and 202.71

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Solution

The fourth proportional to 350.10, 482.93 and 202.71 is: 279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.10 : 482.93 = 202.71 : x
  2. Step 2: Convert to fraction form
    350.10/482.93 = 202.71/x
  3. Step 3: Cross multiply
    350.10x = 482.93 × 202.71
  4. Step 4: Simplify right side
    350.10x = 97,894.74
  5. Step 5: Solve for x
    x = 97,894.74/350.10
  6. Step 6: Final answer
    x = 279.62

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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.