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Finding the Fourth Proportional to 954.26, 1,431.48 and 377

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Solution

The fourth proportional to 954.26, 1,431.48 and 377 is: 565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.26 : 1,431.48 = 377 : x
  2. Step 2: Convert to fraction form
    954.26/1,431.48 = 377/x
  3. Step 3: Cross multiply
    954.26x = 1,431.48 × 377
  4. Step 4: Simplify right side
    954.26x = 539,667.96
  5. Step 5: Solve for x
    x = 539,667.96/954.26
  6. Step 6: Final answer
    x = 565.54

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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.