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Finding the Fourth Proportional to 592.92, 888.42 and 429.84

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Solution

The fourth proportional to 592.92, 888.42 and 429.84 is: 644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.92 : 888.42 = 429.84 : x
  2. Step 2: Convert to fraction form
    592.92/888.42 = 429.84/x
  3. Step 3: Cross multiply
    592.92x = 888.42 × 429.84
  4. Step 4: Simplify right side
    592.92x = 381,878.45
  5. Step 5: Solve for x
    x = 381,878.45/592.92
  6. Step 6: Final answer
    x = 644.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.