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Finding the Fourth Proportional to 937.36, 1,293.60 and 564.46

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Solution

The fourth proportional to 937.36, 1,293.60 and 564.46 is: 778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.36 : 1,293.60 = 564.46 : x
  2. Step 2: Convert to fraction form
    937.36/1,293.60 = 564.46/x
  3. Step 3: Cross multiply
    937.36x = 1,293.60 × 564.46
  4. Step 4: Simplify right side
    937.36x = 730,184.34
  5. Step 5: Solve for x
    x = 730,184.34/937.36
  6. Step 6: Final answer
    x = 778.98

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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.