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Finding the Fourth Proportional to 412,400.33, 617,795.12 and 195,951.01

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Solution

The fourth proportional to 412,400.33, 617,795.12 and 195,951.01 is: 293,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,400.33 : 617,795.12 = 195,951.01 : x
  2. Step 2: Convert to fraction form
    412,400.33/617,795.12 = 195,951.01/x
  3. Step 3: Cross multiply
    412,400.33x = 617,795.12 × 195,951.01
  4. Step 4: Simplify right side
    412,400.33x = 121,057,580,595.45
  5. Step 5: Solve for x
    x = 121,057,580,595.45/412,400.33
  6. Step 6: Final answer
    x = 293,543.85

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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.