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Finding the Fourth Proportional to 395,326.88, 593,129.52 and 262,733.60

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Solution

The fourth proportional to 395,326.88, 593,129.52 and 262,733.60 is: 394,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,326.88 : 593,129.52 = 262,733.60 : x
  2. Step 2: Convert to fraction form
    395,326.88/593,129.52 = 262,733.60/x
  3. Step 3: Cross multiply
    395,326.88x = 593,129.52 × 262,733.60
  4. Step 4: Simplify right side
    395,326.88x = 155,835,054,055.87
  5. Step 5: Solve for x
    x = 155,835,054,055.87/395,326.88
  6. Step 6: Final answer
    x = 394,192.91

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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.