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Finding the Fourth Proportional to 852,536.76, 1,278,802.98 and 800,571.48

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Solution

The fourth proportional to 852,536.76, 1,278,802.98 and 800,571.48 is: 1,200,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,536.76 : 1,278,802.98 = 800,571.48 : x
  2. Step 2: Convert to fraction form
    852,536.76/1,278,802.98 = 800,571.48/x
  3. Step 3: Cross multiply
    852,536.76x = 1,278,802.98 × 800,571.48
  4. Step 4: Simplify right side
    852,536.76x = 1,023,773,194,327.01
  5. Step 5: Solve for x
    x = 1,023,773,194,327.01/852,536.76
  6. Step 6: Final answer
    x = 1,200,855.19

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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.