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Finding the Fourth Proportional to 2,549,778.08, 3,824,947.34 and 843,299.81

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Solution

The fourth proportional to 2,549,778.08, 3,824,947.34 and 843,299.81 is: 1,265,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,778.08 : 3,824,947.34 = 843,299.81 : x
  2. Step 2: Convert to fraction form
    2,549,778.08/3,824,947.34 = 843,299.81/x
  3. Step 3: Cross multiply
    2,549,778.08x = 3,824,947.34 × 843,299.81
  4. Step 4: Simplify right side
    2,549,778.08x = 3,225,577,341,740.77
  5. Step 5: Solve for x
    x = 3,225,577,341,740.77/2,549,778.08
  6. Step 6: Final answer
    x = 1,265,042.39

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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.