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Finding the Fourth Proportional to 959.88, 1,440.48 and 594.88

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Solution

The fourth proportional to 959.88, 1,440.48 and 594.88 is: 892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.88 : 1,440.48 = 594.88 : x
  2. Step 2: Convert to fraction form
    959.88/1,440.48 = 594.88/x
  3. Step 3: Cross multiply
    959.88x = 1,440.48 × 594.88
  4. Step 4: Simplify right side
    959.88x = 856,911.37
  5. Step 5: Solve for x
    x = 856,911.37/959.88
  6. Step 6: Final answer
    x = 892.72

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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.