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Finding the Fourth Proportional to 3,953,374.34, 5,928,898.19 and 1,793,149.70

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Solution

The fourth proportional to 3,953,374.34, 5,928,898.19 and 1,793,149.70 is: 2,689,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,374.34 : 5,928,898.19 = 1,793,149.70 : x
  2. Step 2: Convert to fraction form
    3,953,374.34/5,928,898.19 = 1,793,149.70/x
  3. Step 3: Cross multiply
    3,953,374.34x = 5,928,898.19 × 1,793,149.70
  4. Step 4: Simplify right side
    3,953,374.34x = 10,631,401,972,118.80
  5. Step 5: Solve for x
    x = 10,631,401,972,118.80/3,953,374.34
  6. Step 6: Final answer
    x = 2,689,196.89

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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.