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Finding the Fourth Proportional to 950.34, 1,424.16 and 602.70

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Solution

The fourth proportional to 950.34, 1,424.16 and 602.70 is: 903.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.34 : 1,424.16 = 602.70 : x
  2. Step 2: Convert to fraction form
    950.34/1,424.16 = 602.70/x
  3. Step 3: Cross multiply
    950.34x = 1,424.16 × 602.70
  4. Step 4: Simplify right side
    950.34x = 858,341.23
  5. Step 5: Solve for x
    x = 858,341.23/950.34
  6. Step 6: Final answer
    x = 903.19

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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.