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Finding the Fourth Proportional to 927.06, 1,392.60 and 562.02

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Solution

The fourth proportional to 927.06, 1,392.60 and 562.02 is: 844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    927.06 : 1,392.60 = 562.02 : x
  2. Step 2: Convert to fraction form
    927.06/1,392.60 = 562.02/x
  3. Step 3: Cross multiply
    927.06x = 1,392.60 × 562.02
  4. Step 4: Simplify right side
    927.06x = 782,669.05
  5. Step 5: Solve for x
    x = 782,669.05/927.06
  6. Step 6: Final answer
    x = 844.25

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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.