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Finding the Fourth Proportional to 852,537.76, 1,278,804.48 and 800,572.48

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Solution

The fourth proportional to 852,537.76, 1,278,804.48 and 800,572.48 is: 1,200,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,537.76 : 1,278,804.48 = 800,572.48 : x
  2. Step 2: Convert to fraction form
    852,537.76/1,278,804.48 = 800,572.48/x
  3. Step 3: Cross multiply
    852,537.76x = 1,278,804.48 × 800,572.48
  4. Step 4: Simplify right side
    852,537.76x = 1,023,775,673,988.71
  5. Step 5: Solve for x
    x = 1,023,775,673,988.71/852,537.76
  6. Step 6: Final answer
    x = 1,200,856.69

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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.