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Finding the Fourth Proportional to 592.32, 889.48 and 494.72

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Solution

The fourth proportional to 592.32, 889.48 and 494.72 is: 742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.32 : 889.48 = 494.72 : x
  2. Step 2: Convert to fraction form
    592.32/889.48 = 494.72/x
  3. Step 3: Cross multiply
    592.32x = 889.48 × 494.72
  4. Step 4: Simplify right side
    592.32x = 440,043.55
  5. Step 5: Solve for x
    x = 440,043.55/592.32
  6. Step 6: Final answer
    x = 742.92

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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.