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Finding the Fourth Proportional to 937.60, 1,293.68 and 544.48

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Solution

The fourth proportional to 937.60, 1,293.68 and 544.48 is: 751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.60 : 1,293.68 = 544.48 : x
  2. Step 2: Convert to fraction form
    937.60/1,293.68 = 544.48/x
  3. Step 3: Cross multiply
    937.60x = 1,293.68 × 544.48
  4. Step 4: Simplify right side
    937.60x = 704,382.89
  5. Step 5: Solve for x
    x = 704,382.89/937.60
  6. Step 6: Final answer
    x = 751.26

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1.5x scale

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.