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Finding the Fourth Proportional to 412,270.98, 617,161.59 and 372,846.66

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Solution

The fourth proportional to 412,270.98, 617,161.59 and 372,846.66 is: 558,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,270.98 : 617,161.59 = 372,846.66 : x
  2. Step 2: Convert to fraction form
    412,270.98/617,161.59 = 372,846.66/x
  3. Step 3: Cross multiply
    412,270.98x = 617,161.59 × 372,846.66
  4. Step 4: Simplify right side
    412,270.98x = 230,106,637,511.79
  5. Step 5: Solve for x
    x = 230,106,637,511.79/412,270.98
  6. Step 6: Final answer
    x = 558,144.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.