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Finding the Fourth Proportional to 447,294.78, 617,521.33 and 294,776.13

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Solution

The fourth proportional to 447,294.78, 617,521.33 and 294,776.13 is: 406,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,294.78 : 617,521.33 = 294,776.13 : x
  2. Step 2: Convert to fraction form
    447,294.78/617,521.33 = 294,776.13/x
  3. Step 3: Cross multiply
    447,294.78x = 617,521.33 × 294,776.13
  4. Step 4: Simplify right side
    447,294.78x = 182,030,546,375.97
  5. Step 5: Solve for x
    x = 182,030,546,375.97/447,294.78
  6. Step 6: Final answer
    x = 406,958.80

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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.