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Finding the Fourth Proportional to 447,365.88, 617,161.50 and 265,974.90

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Solution

The fourth proportional to 447,365.88, 617,161.50 and 265,974.90 is: 366,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,365.88 : 617,161.50 = 265,974.90 : x
  2. Step 2: Convert to fraction form
    447,365.88/617,161.50 = 265,974.90/x
  3. Step 3: Cross multiply
    447,365.88x = 617,161.50 × 265,974.90
  4. Step 4: Simplify right side
    447,365.88x = 164,149,468,246.35
  5. Step 5: Solve for x
    x = 164,149,468,246.35/447,365.88
  6. Step 6: Final answer
    x = 366,924.42

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1.5x scale

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.