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Finding the Fourth Proportional to 959.37, 1,323.64 and 586.23

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Solution

The fourth proportional to 959.37, 1,323.64 and 586.23 is: 808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.37 : 1,323.64 = 586.23 : x
  2. Step 2: Convert to fraction form
    959.37/1,323.64 = 586.23/x
  3. Step 3: Cross multiply
    959.37x = 1,323.64 × 586.23
  4. Step 4: Simplify right side
    959.37x = 775,957.48
  5. Step 5: Solve for x
    x = 775,957.48/959.37
  6. Step 6: Final answer
    x = 808.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.