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Finding the Fourth Proportional to 429.33, 592.45 and 242.84

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Solution

The fourth proportional to 429.33, 592.45 and 242.84 is: 335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.33 : 592.45 = 242.84 : x
  2. Step 2: Convert to fraction form
    429.33/592.45 = 242.84/x
  3. Step 3: Cross multiply
    429.33x = 592.45 × 242.84
  4. Step 4: Simplify right side
    429.33x = 143,871.43
  5. Step 5: Solve for x
    x = 143,871.43/429.33
  6. Step 6: Final answer
    x = 335.10

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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.