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Finding the Fourth Proportional to 425,846.03, 587,519.12 and 272,968.50

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Solution

The fourth proportional to 425,846.03, 587,519.12 and 272,968.50 is: 376,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,846.03 : 587,519.12 = 272,968.50 : x
  2. Step 2: Convert to fraction form
    425,846.03/587,519.12 = 272,968.50/x
  3. Step 3: Cross multiply
    425,846.03x = 587,519.12 × 272,968.50
  4. Step 4: Simplify right side
    425,846.03x = 160,374,211,542.88
  5. Step 5: Solve for x
    x = 160,374,211,542.88/425,846.03
  6. Step 6: Final answer
    x = 376,601.40

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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.