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Finding the Fourth Proportional to 444,643.61, 666,374.93 and 255,194.73

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Solution

The fourth proportional to 444,643.61, 666,374.93 and 255,194.73 is: 382,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,643.61 : 666,374.93 = 255,194.73 : x
  2. Step 2: Convert to fraction form
    444,643.61/666,374.93 = 255,194.73/x
  3. Step 3: Cross multiply
    444,643.61x = 666,374.93 × 255,194.73
  4. Step 4: Simplify right side
    444,643.61x = 170,055,369,064.15
  5. Step 5: Solve for x
    x = 170,055,369,064.15/444,643.61
  6. Step 6: Final answer
    x = 382,453.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.