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Finding the Fourth Proportional to 447,397.85, 617,204.84 and 266,006.54

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Solution

The fourth proportional to 447,397.85, 617,204.84 and 266,006.54 is: 366,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,397.85 : 617,204.84 = 266,006.54 : x
  2. Step 2: Convert to fraction form
    447,397.85/617,204.84 = 266,006.54/x
  3. Step 3: Cross multiply
    447,397.85x = 617,204.84 × 266,006.54
  4. Step 4: Simplify right side
    447,397.85x = 164,180,526,167.68
  5. Step 5: Solve for x
    x = 164,180,526,167.68/447,397.85
  6. Step 6: Final answer
    x = 366,967.63

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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.