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Finding the Fourth Proportional to 412,270.48, 617,160.84 and 372,846.16

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Solution

The fourth proportional to 412,270.48, 617,160.84 and 372,846.16 is: 558,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,270.48 : 617,160.84 = 372,846.16 : x
  2. Step 2: Convert to fraction form
    412,270.48/617,160.84 = 372,846.16/x
  3. Step 3: Cross multiply
    412,270.48x = 617,160.84 × 372,846.16
  4. Step 4: Simplify right side
    412,270.48x = 230,106,049,296.37
  5. Step 5: Solve for x
    x = 230,106,049,296.37/412,270.48
  6. Step 6: Final answer
    x = 558,143.40

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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.