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Finding the Fourth Proportional to 3,803,977.38, 5,705,966.34 and 964,104.42

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Solution

The fourth proportional to 3,803,977.38, 5,705,966.34 and 964,104.42 is: 1,446,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,977.38 : 5,705,966.34 = 964,104.42 : x
  2. Step 2: Convert to fraction form
    3,803,977.38/5,705,966.34 = 964,104.42/x
  3. Step 3: Cross multiply
    3,803,977.38x = 5,705,966.34 × 964,104.42
  4. Step 4: Simplify right side
    3,803,977.38x = 5,501,147,368,765.22
  5. Step 5: Solve for x
    x = 5,501,147,368,765.22/3,803,977.38
  6. Step 6: Final answer
    x = 1,446,156.70

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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.