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Finding the Fourth Proportional to 683,266.56, 942,909.44 and 377,337.36

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Solution

The fourth proportional to 683,266.56, 942,909.44 and 377,337.36 is: 520,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,266.56 : 942,909.44 = 377,337.36 : x
  2. Step 2: Convert to fraction form
    683,266.56/942,909.44 = 377,337.36/x
  3. Step 3: Cross multiply
    683,266.56x = 942,909.44 × 377,337.36
  4. Step 4: Simplify right side
    683,266.56x = 355,794,958,808.68
  5. Step 5: Solve for x
    x = 355,794,958,808.68/683,266.56
  6. Step 6: Final answer
    x = 520,726.43

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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.