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Finding the Fourth Proportional to 950.51, 1,425.60 and 292.23

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Solution

The fourth proportional to 950.51, 1,425.60 and 292.23 is: 438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.51 : 1,425.60 = 292.23 : x
  2. Step 2: Convert to fraction form
    950.51/1,425.60 = 292.23/x
  3. Step 3: Cross multiply
    950.51x = 1,425.60 × 292.23
  4. Step 4: Simplify right side
    950.51x = 416,603.09
  5. Step 5: Solve for x
    x = 416,603.09/950.51
  6. Step 6: Final answer
    x = 438.30

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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.