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Finding the Fourth Proportional to 619,184.84, 854,568.48 and 377,607.55

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Solution

The fourth proportional to 619,184.84, 854,568.48 and 377,607.55 is: 521,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,184.84 : 854,568.48 = 377,607.55 : x
  2. Step 2: Convert to fraction form
    619,184.84/854,568.48 = 377,607.55/x
  3. Step 3: Cross multiply
    619,184.84x = 854,568.48 × 377,607.55
  4. Step 4: Simplify right side
    619,184.84x = 322,691,514,191.79
  5. Step 5: Solve for x
    x = 322,691,514,191.79/619,184.84
  6. Step 6: Final answer
    x = 521,155.38

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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.