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Finding the Fourth Proportional to 950.64, 1,424.58 and 463.14

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Solution

The fourth proportional to 950.64, 1,424.58 and 463.14 is: 694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.64 : 1,424.58 = 463.14 : x
  2. Step 2: Convert to fraction form
    950.64/1,424.58 = 463.14/x
  3. Step 3: Cross multiply
    950.64x = 1,424.58 × 463.14
  4. Step 4: Simplify right side
    950.64x = 659,779.98
  5. Step 5: Solve for x
    x = 659,779.98/950.64
  6. Step 6: Final answer
    x = 694.04

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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.