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Finding the Fourth Proportional to 592.98, 889.92 and 411.64

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Solution

The fourth proportional to 592.98, 889.92 and 411.64 is: 617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.98 : 889.92 = 411.64 : x
  2. Step 2: Convert to fraction form
    592.98/889.92 = 411.64/x
  3. Step 3: Cross multiply
    592.98x = 889.92 × 411.64
  4. Step 4: Simplify right side
    592.98x = 366,326.67
  5. Step 5: Solve for x
    x = 366,326.67/592.98
  6. Step 6: Final answer
    x = 617.77

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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.