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Finding the Fourth Proportional to 851,560.50, 1,275,894.77 and 513,891.63

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Solution

The fourth proportional to 851,560.50, 1,275,894.77 and 513,891.63 is: 769,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,560.50 : 1,275,894.77 = 513,891.63 : x
  2. Step 2: Convert to fraction form
    851,560.50/1,275,894.77 = 513,891.63/x
  3. Step 3: Cross multiply
    851,560.50x = 1,275,894.77 × 513,891.63
  4. Step 4: Simplify right side
    851,560.50x = 655,671,643,063.78
  5. Step 5: Solve for x
    x = 655,671,643,063.78/851,560.50
  6. Step 6: Final answer
    x = 769,964.84

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