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Finding the Fourth Proportional to 592.65, 889.52 and 319.01

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Solution

The fourth proportional to 592.65, 889.52 and 319.01 is: 478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.65 : 889.52 = 319.01 : x
  2. Step 2: Convert to fraction form
    592.65/889.52 = 319.01/x
  3. Step 3: Cross multiply
    592.65x = 889.52 × 319.01
  4. Step 4: Simplify right side
    592.65x = 283,759.73
  5. Step 5: Solve for x
    x = 283,759.73/592.65
  6. Step 6: Final answer
    x = 478.80

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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.