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Finding the Fourth Proportional to 263,906.10, 395,859.15 and 175,332.60

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Solution

The fourth proportional to 263,906.10, 395,859.15 and 175,332.60 is: 262,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,906.10 : 395,859.15 = 175,332.60 : x
  2. Step 2: Convert to fraction form
    263,906.10/395,859.15 = 175,332.60/x
  3. Step 3: Cross multiply
    263,906.10x = 395,859.15 × 175,332.60
  4. Step 4: Simplify right side
    263,906.10x = 69,407,014,003.29
  5. Step 5: Solve for x
    x = 69,407,014,003.29/263,906.10
  6. Step 6: Final answer
    x = 262,998.90

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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.