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Finding the Fourth Proportional to 894,232.80, 1,340,992.80 and 295,027.20

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Solution

The fourth proportional to 894,232.80, 1,340,992.80 and 295,027.20 is: 442,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,232.80 : 1,340,992.80 = 295,027.20 : x
  2. Step 2: Convert to fraction form
    894,232.80/1,340,992.80 = 295,027.20/x
  3. Step 3: Cross multiply
    894,232.80x = 1,340,992.80 × 295,027.20
  4. Step 4: Simplify right side
    894,232.80x = 395,629,351,004.16
  5. Step 5: Solve for x
    x = 395,629,351,004.16/894,232.80
  6. Step 6: Final answer
    x = 442,423.22

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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.