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Finding the Fourth Proportional to 959.16, 1,439.66 and 594.66

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Solution

The fourth proportional to 959.16, 1,439.66 and 594.66 is: 892.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.16 : 1,439.66 = 594.66 : x
  2. Step 2: Convert to fraction form
    959.16/1,439.66 = 594.66/x
  3. Step 3: Cross multiply
    959.16x = 1,439.66 × 594.66
  4. Step 4: Simplify right side
    959.16x = 856,108.22
  5. Step 5: Solve for x
    x = 856,108.22/959.16
  6. Step 6: Final answer
    x = 892.56

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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.