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Finding the Fourth Proportional to 962.96, 1,444.75 and 314.14

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Solution

The fourth proportional to 962.96, 1,444.75 and 314.14 is: 471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.96 : 1,444.75 = 314.14 : x
  2. Step 2: Convert to fraction form
    962.96/1,444.75 = 314.14/x
  3. Step 3: Cross multiply
    962.96x = 1,444.75 × 314.14
  4. Step 4: Simplify right side
    962.96x = 453,853.77
  5. Step 5: Solve for x
    x = 453,853.77/962.96
  6. Step 6: Final answer
    x = 471.31

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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.