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Finding the Fourth Proportional to 303,970.05, 419,500.39 and 168,001.07

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Solution

The fourth proportional to 303,970.05, 419,500.39 and 168,001.07 is: 231,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,970.05 : 419,500.39 = 168,001.07 : x
  2. Step 2: Convert to fraction form
    303,970.05/419,500.39 = 168,001.07/x
  3. Step 3: Cross multiply
    303,970.05x = 419,500.39 × 168,001.07
  4. Step 4: Simplify right side
    303,970.05x = 70,476,514,306.35
  5. Step 5: Solve for x
    x = 70,476,514,306.35/303,970.05
  6. Step 6: Final answer
    x = 231,853.48

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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.