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Finding the Fourth Proportional to 406,937.88, 561,522.24 and 225,648.54

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Solution

The fourth proportional to 406,937.88, 561,522.24 and 225,648.54 is: 311,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,937.88 : 561,522.24 = 225,648.54 : x
  2. Step 2: Convert to fraction form
    406,937.88/561,522.24 = 225,648.54/x
  3. Step 3: Cross multiply
    406,937.88x = 561,522.24 × 225,648.54
  4. Step 4: Simplify right side
    406,937.88x = 126,706,673,633.53
  5. Step 5: Solve for x
    x = 126,706,673,633.53/406,937.88
  6. Step 6: Final answer
    x = 311,366.13

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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.