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Finding the Fourth Proportional to 953.84, 1,429.85 and 466.36

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Solution

The fourth proportional to 953.84, 1,429.85 and 466.36 is: 699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.84 : 1,429.85 = 466.36 : x
  2. Step 2: Convert to fraction form
    953.84/1,429.85 = 466.36/x
  3. Step 3: Cross multiply
    953.84x = 1,429.85 × 466.36
  4. Step 4: Simplify right side
    953.84x = 666,822.44
  5. Step 5: Solve for x
    x = 666,822.44/953.84
  6. Step 6: Final answer
    x = 699.09

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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.