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Finding the Fourth Proportional to 349.94, 482.93 and 202.59

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Solution

The fourth proportional to 349.94, 482.93 and 202.59 is: 279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.94 : 482.93 = 202.59 : x
  2. Step 2: Convert to fraction form
    349.94/482.93 = 202.59/x
  3. Step 3: Cross multiply
    349.94x = 482.93 × 202.59
  4. Step 4: Simplify right side
    349.94x = 97,836.79
  5. Step 5: Solve for x
    x = 97,836.79/349.94
  6. Step 6: Final answer
    x = 279.58

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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.