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Finding the Fourth Proportional to 703,865.88, 971,711.79 and 550,578.39

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Solution

The fourth proportional to 703,865.88, 971,711.79 and 550,578.39 is: 760,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,865.88 : 971,711.79 = 550,578.39 : x
  2. Step 2: Convert to fraction form
    703,865.88/971,711.79 = 550,578.39/x
  3. Step 3: Cross multiply
    703,865.88x = 971,711.79 × 550,578.39
  4. Step 4: Simplify right side
    703,865.88x = 535,003,512,882.22
  5. Step 5: Solve for x
    x = 535,003,512,882.22/703,865.88
  6. Step 6: Final answer
    x = 760,092.98

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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.