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Finding the Fourth Proportional to 619,181.40, 854,563.73 and 377,604.10

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Solution

The fourth proportional to 619,181.40, 854,563.73 and 377,604.10 is: 521,150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,181.40 : 854,563.73 = 377,604.10 : x
  2. Step 2: Convert to fraction form
    619,181.40/854,563.73 = 377,604.10/x
  3. Step 3: Cross multiply
    619,181.40x = 854,563.73 × 377,604.10
  4. Step 4: Simplify right side
    619,181.40x = 322,686,768,261.77
  5. Step 5: Solve for x
    x = 322,686,768,261.77/619,181.40
  6. Step 6: Final answer
    x = 521,150.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.