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Finding the Fourth Proportional to 406,793.18, 561,374.58 and 225,504.65

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Solution

The fourth proportional to 406,793.18, 561,374.58 and 225,504.65 is: 311,196.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,793.18 : 561,374.58 = 225,504.65 : x
  2. Step 2: Convert to fraction form
    406,793.18/561,374.58 = 225,504.65/x
  3. Step 3: Cross multiply
    406,793.18x = 561,374.58 × 225,504.65
  4. Step 4: Simplify right side
    406,793.18x = 126,592,578,181.80
  5. Step 5: Solve for x
    x = 126,592,578,181.80/406,793.18
  6. Step 6: Final answer
    x = 311,196.41

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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.