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Finding the Fourth Proportional to 439,754.04, 606,859.47 and 238,550.04

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Solution

The fourth proportional to 439,754.04, 606,859.47 and 238,550.04 is: 329,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,754.04 : 606,859.47 = 238,550.04 : x
  2. Step 2: Convert to fraction form
    439,754.04/606,859.47 = 238,550.04/x
  3. Step 3: Cross multiply
    439,754.04x = 606,859.47 × 238,550.04
  4. Step 4: Simplify right side
    439,754.04x = 144,766,350,842.88
  5. Step 5: Solve for x
    x = 144,766,350,842.88/439,754.04
  6. Step 6: Final answer
    x = 329,198.46

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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.