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Finding the Fourth Proportional to 447,852.72, 617,996.07 and 266,535.39

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Solution

The fourth proportional to 447,852.72, 617,996.07 and 266,535.39 is: 367,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,852.72 : 617,996.07 = 266,535.39 : x
  2. Step 2: Convert to fraction form
    447,852.72/617,996.07 = 266,535.39/x
  3. Step 3: Cross multiply
    447,852.72x = 617,996.07 × 266,535.39
  4. Step 4: Simplify right side
    447,852.72x = 164,717,823,535.92
  5. Step 5: Solve for x
    x = 164,717,823,535.92/447,852.72
  6. Step 6: Final answer
    x = 367,794.63

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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.