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Finding the Fourth Proportional to 2,541,178.86, 3,810,959.94 and 834,928.86

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Solution

The fourth proportional to 2,541,178.86, 3,810,959.94 and 834,928.86 is: 1,252,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541,178.86 : 3,810,959.94 = 834,928.86 : x
  2. Step 2: Convert to fraction form
    2,541,178.86/3,810,959.94 = 834,928.86/x
  3. Step 3: Cross multiply
    2,541,178.86x = 3,810,959.94 × 834,928.86
  4. Step 4: Simplify right side
    2,541,178.86x = 3,181,880,438,209.87
  5. Step 5: Solve for x
    x = 3,181,880,438,209.87/2,541,178.86
  6. Step 6: Final answer
    x = 1,252,127.70

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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.