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Finding the Fourth Proportional to 406,392.24, 560,796.55 and 225,093.42

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Solution

The fourth proportional to 406,392.24, 560,796.55 and 225,093.42 is: 310,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,392.24 : 560,796.55 = 225,093.42 : x
  2. Step 2: Convert to fraction form
    406,392.24/560,796.55 = 225,093.42/x
  3. Step 3: Cross multiply
    406,392.24x = 560,796.55 × 225,093.42
  4. Step 4: Simplify right side
    406,392.24x = 126,231,613,363.70
  5. Step 5: Solve for x
    x = 126,231,613,363.70/406,392.24
  6. Step 6: Final answer
    x = 310,615.22

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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.