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Finding the Fourth Proportional to 303,544.25, 418,945.91 and 181,044.48

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Solution

The fourth proportional to 303,544.25, 418,945.91 and 181,044.48 is: 249,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,544.25 : 418,945.91 = 181,044.48 : x
  2. Step 2: Convert to fraction form
    303,544.25/418,945.91 = 181,044.48/x
  3. Step 3: Cross multiply
    303,544.25x = 418,945.91 × 181,044.48
  4. Step 4: Simplify right side
    303,544.25x = 75,847,843,518.85
  5. Step 5: Solve for x
    x = 75,847,843,518.85/303,544.25
  6. Step 6: Final answer
    x = 249,874.10

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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.