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Finding the Fourth Proportional to 407,104.69, 561,793.63 and 235,016.84

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Solution

The fourth proportional to 407,104.69, 561,793.63 and 235,016.84 is: 324,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,104.69 : 561,793.63 = 235,016.84 : x
  2. Step 2: Convert to fraction form
    407,104.69/561,793.63 = 235,016.84/x
  3. Step 3: Cross multiply
    407,104.69x = 561,793.63 × 235,016.84
  4. Step 4: Simplify right side
    407,104.69x = 132,030,963,654.73
  5. Step 5: Solve for x
    x = 132,030,963,654.73/407,104.69
  6. Step 6: Final answer
    x = 324,316.98

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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.