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Finding the Fourth Proportional to 429.24, 592.32 and 242.77

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Solution

The fourth proportional to 429.24, 592.32 and 242.77 is: 335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.24 : 592.32 = 242.77 : x
  2. Step 2: Convert to fraction form
    429.24/592.32 = 242.77/x
  3. Step 3: Cross multiply
    429.24x = 592.32 × 242.77
  4. Step 4: Simplify right side
    429.24x = 143,797.53
  5. Step 5: Solve for x
    x = 143,797.53/429.24
  6. Step 6: Final answer
    x = 335.00

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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.