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Finding the Fourth Proportional to 750,680.70, 1,126,213.05 and 529,496.70

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Solution

The fourth proportional to 750,680.70, 1,126,213.05 and 529,496.70 is: 794,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,680.70 : 1,126,213.05 = 529,496.70 : x
  2. Step 2: Convert to fraction form
    750,680.70/1,126,213.05 = 529,496.70/x
  3. Step 3: Cross multiply
    750,680.70x = 1,126,213.05 × 529,496.70
  4. Step 4: Simplify right side
    750,680.70x = 596,326,093,471.94
  5. Step 5: Solve for x
    x = 596,326,093,471.94/750,680.70
  6. Step 6: Final answer
    x = 794,380.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.