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Finding the Fourth Proportional to 265,089.60, 397,051.20 and 235,540.80

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Solution

The fourth proportional to 265,089.60, 397,051.20 and 235,540.80 is: 352,793.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,089.60 : 397,051.20 = 235,540.80 : x
  2. Step 2: Convert to fraction form
    265,089.60/397,051.20 = 235,540.80/x
  3. Step 3: Cross multiply
    265,089.60x = 397,051.20 × 235,540.80
  4. Step 4: Simplify right side
    265,089.60x = 93,521,757,288.96
  5. Step 5: Solve for x
    x = 93,521,757,288.96/265,089.60
  6. Step 6: Final answer
    x = 352,793.01

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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.