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Finding the Fourth Proportional to 975.22, 1,462.68 and 583.96

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Solution

The fourth proportional to 975.22, 1,462.68 and 583.96 is: 875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.22 : 1,462.68 = 583.96 : x
  2. Step 2: Convert to fraction form
    975.22/1,462.68 = 583.96/x
  3. Step 3: Cross multiply
    975.22x = 1,462.68 × 583.96
  4. Step 4: Simplify right side
    975.22x = 854,146.61
  5. Step 5: Solve for x
    x = 854,146.61/975.22
  6. Step 6: Final answer
    x = 875.85

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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.