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Finding the Fourth Proportional to 937.10, 1,293.08 and 563.99

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Solution

The fourth proportional to 937.10, 1,293.08 and 563.99 is: 778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.10 : 1,293.08 = 563.99 : x
  2. Step 2: Convert to fraction form
    937.10/1,293.08 = 563.99/x
  3. Step 3: Cross multiply
    937.10x = 1,293.08 × 563.99
  4. Step 4: Simplify right side
    937.10x = 729,284.19
  5. Step 5: Solve for x
    x = 729,284.19/937.10
  6. Step 6: Final answer
    x = 778.24

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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.