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Finding the Fourth Proportional to 937.06, 1,293.13 and 517.44

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Solution

The fourth proportional to 937.06, 1,293.13 and 517.44 is: 714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.06 : 1,293.13 = 517.44 : x
  2. Step 2: Convert to fraction form
    937.06/1,293.13 = 517.44/x
  3. Step 3: Cross multiply
    937.06x = 1,293.13 × 517.44
  4. Step 4: Simplify right side
    937.06x = 669,117.19
  5. Step 5: Solve for x
    x = 669,117.19/937.06
  6. Step 6: Final answer
    x = 714.06

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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.