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Finding the Fourth Proportional to 619,058.52, 854,452.53 and 377,474.13

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Solution

The fourth proportional to 619,058.52, 854,452.53 and 377,474.13 is: 521,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,058.52 : 854,452.53 = 377,474.13 : x
  2. Step 2: Convert to fraction form
    619,058.52/854,452.53 = 377,474.13/x
  3. Step 3: Cross multiply
    619,058.52x = 854,452.53 × 377,474.13
  4. Step 4: Simplify right side
    619,058.52x = 322,533,725,388.05
  5. Step 5: Solve for x
    x = 322,533,725,388.05/619,058.52
  6. Step 6: Final answer
    x = 521,006.84

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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.