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Finding the Fourth Proportional to 326,859.96, 450,884.71 and 303,740.97

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Solution

The fourth proportional to 326,859.96, 450,884.71 and 303,740.97 is: 418,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,859.96 : 450,884.71 = 303,740.97 : x
  2. Step 2: Convert to fraction form
    326,859.96/450,884.71 = 303,740.97/x
  3. Step 3: Cross multiply
    326,859.96x = 450,884.71 × 303,740.97
  4. Step 4: Simplify right side
    326,859.96x = 136,952,160,398.65
  5. Step 5: Solve for x
    x = 136,952,160,398.65/326,859.96
  6. Step 6: Final answer
    x = 418,993.39

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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.