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Finding the Fourth Proportional to 439,741.80, 606,843.54 and 238,537.80

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Solution

The fourth proportional to 439,741.80, 606,843.54 and 238,537.80 is: 329,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,741.80 : 606,843.54 = 238,537.80 : x
  2. Step 2: Convert to fraction form
    439,741.80/606,843.54 = 238,537.80/x
  3. Step 3: Cross multiply
    439,741.80x = 606,843.54 × 238,537.80
  4. Step 4: Simplify right side
    439,741.80x = 144,755,122,975.81
  5. Step 5: Solve for x
    x = 144,755,122,975.81/439,741.80
  6. Step 6: Final answer
    x = 329,182.09

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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.