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Finding the Fourth Proportional to 263,350.80, 395,026.20 and 158,115.60

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Solution

The fourth proportional to 263,350.80, 395,026.20 and 158,115.60 is: 237,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,350.80 : 395,026.20 = 158,115.60 : x
  2. Step 2: Convert to fraction form
    263,350.80/395,026.20 = 158,115.60/x
  3. Step 3: Cross multiply
    263,350.80x = 395,026.20 × 158,115.60
  4. Step 4: Simplify right side
    263,350.80x = 62,459,804,628.72
  5. Step 5: Solve for x
    x = 62,459,804,628.72/263,350.80
  6. Step 6: Final answer
    x = 237,173.40

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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.