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Finding the Fourth Proportional to 935.33, 1,290.60 and 562.41

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Solution

The fourth proportional to 935.33, 1,290.60 and 562.41 is: 776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.33 : 1,290.60 = 562.41 : x
  2. Step 2: Convert to fraction form
    935.33/1,290.60 = 562.41/x
  3. Step 3: Cross multiply
    935.33x = 1,290.60 × 562.41
  4. Step 4: Simplify right side
    935.33x = 725,846.35
  5. Step 5: Solve for x
    x = 725,846.35/935.33
  6. Step 6: Final answer
    x = 776.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.