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Finding the Fourth Proportional to 1,884,014.70, 2,826,194.85 and 621,845.10

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Solution

The fourth proportional to 1,884,014.70, 2,826,194.85 and 621,845.10 is: 932,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884,014.70 : 2,826,194.85 = 621,845.10 : x
  2. Step 2: Convert to fraction form
    1,884,014.70/2,826,194.85 = 621,845.10/x
  3. Step 3: Cross multiply
    1,884,014.70x = 2,826,194.85 × 621,845.10
  4. Step 4: Simplify right side
    1,884,014.70x = 1,757,455,419,117.74
  5. Step 5: Solve for x
    x = 1,757,455,419,117.74/1,884,014.70
  6. Step 6: Final answer
    x = 932,824.69

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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.