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Finding the Fourth Proportional to 447,342.55, 617,327.92 and 266,050.49

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Solution

The fourth proportional to 447,342.55, 617,327.92 and 266,050.49 is: 367,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,342.55 : 617,327.92 = 266,050.49 : x
  2. Step 2: Convert to fraction form
    447,342.55/617,327.92 = 266,050.49/x
  3. Step 3: Cross multiply
    447,342.55x = 617,327.92 × 266,050.49
  4. Step 4: Simplify right side
    447,342.55x = 164,240,394,828.54
  5. Step 5: Solve for x
    x = 164,240,394,828.54/447,342.55
  6. Step 6: Final answer
    x = 367,146.82

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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.