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Finding the Fourth Proportional to 591.84, 889.92 and 468.72

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Solution

The fourth proportional to 591.84, 889.92 and 468.72 is: 704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.84 : 889.92 = 468.72 : x
  2. Step 2: Convert to fraction form
    591.84/889.92 = 468.72/x
  3. Step 3: Cross multiply
    591.84x = 889.92 × 468.72
  4. Step 4: Simplify right side
    591.84x = 417,123.30
  5. Step 5: Solve for x
    x = 417,123.30/591.84
  6. Step 6: Final answer
    x = 704.79

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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.