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Finding the Fourth Proportional to 592.63, 889.25 and 318.98

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Solution

The fourth proportional to 592.63, 889.25 and 318.98 is: 478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.63 : 889.25 = 318.98 : x
  2. Step 2: Convert to fraction form
    592.63/889.25 = 318.98/x
  3. Step 3: Cross multiply
    592.63x = 889.25 × 318.98
  4. Step 4: Simplify right side
    592.63x = 283,653.59
  5. Step 5: Solve for x
    x = 283,653.59/592.63
  6. Step 6: Final answer
    x = 478.64

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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.