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Finding the Fourth Proportional to 395,999.20, 594,144.60 and 159,511.60

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Solution

The fourth proportional to 395,999.20, 594,144.60 and 159,511.60 is: 239,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,999.20 : 594,144.60 = 159,511.60 : x
  2. Step 2: Convert to fraction form
    395,999.20/594,144.60 = 159,511.60/x
  3. Step 3: Cross multiply
    395,999.20x = 594,144.60 × 159,511.60
  4. Step 4: Simplify right side
    395,999.20x = 94,772,955,777.36
  5. Step 5: Solve for x
    x = 94,772,955,777.36/395,999.20
  6. Step 6: Final answer
    x = 239,326.13

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1.5x scale

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.