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Finding the Fourth Proportional to 592.72, 890.72 and 349.44

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Solution

The fourth proportional to 592.72, 890.72 and 349.44 is: 525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.72 : 890.72 = 349.44 : x
  2. Step 2: Convert to fraction form
    592.72/890.72 = 349.44/x
  3. Step 3: Cross multiply
    592.72x = 890.72 × 349.44
  4. Step 4: Simplify right side
    592.72x = 311,253.20
  5. Step 5: Solve for x
    x = 311,253.20/592.72
  6. Step 6: Final answer
    x = 525.13

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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.