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Finding the Fourth Proportional to 953.97, 1,429.39 and 587.98

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Solution

The fourth proportional to 953.97, 1,429.39 and 587.98 is: 881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.97 : 1,429.39 = 587.98 : x
  2. Step 2: Convert to fraction form
    953.97/1,429.39 = 587.98/x
  3. Step 3: Cross multiply
    953.97x = 1,429.39 × 587.98
  4. Step 4: Simplify right side
    953.97x = 840,452.73
  5. Step 5: Solve for x
    x = 840,452.73/953.97
  6. Step 6: Final answer
    x = 881.01

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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.