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Finding the Fourth Proportional to 953.44, 1,430.38 and 337.14

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Solution

The fourth proportional to 953.44, 1,430.38 and 337.14 is: 505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.44 : 1,430.38 = 337.14 : x
  2. Step 2: Convert to fraction form
    953.44/1,430.38 = 337.14/x
  3. Step 3: Cross multiply
    953.44x = 1,430.38 × 337.14
  4. Step 4: Simplify right side
    953.44x = 482,238.31
  5. Step 5: Solve for x
    x = 482,238.31/953.44
  6. Step 6: Final answer
    x = 505.79

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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.