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Finding the Fourth Proportional to 962.39, 1,444.19 and 552.33

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Solution

The fourth proportional to 962.39, 1,444.19 and 552.33 is: 828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.39 : 1,444.19 = 552.33 : x
  2. Step 2: Convert to fraction form
    962.39/1,444.19 = 552.33/x
  3. Step 3: Cross multiply
    962.39x = 1,444.19 × 552.33
  4. Step 4: Simplify right side
    962.39x = 797,666.70
  5. Step 5: Solve for x
    x = 797,666.70/962.39
  6. Step 6: Final answer
    x = 828.84

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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.