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Finding the Fourth Proportional to 483,078.64, 723,514.34 and 230,536.48

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Solution

The fourth proportional to 483,078.64, 723,514.34 and 230,536.48 is: 345,278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,078.64 : 723,514.34 = 230,536.48 : x
  2. Step 2: Convert to fraction form
    483,078.64/723,514.34 = 230,536.48/x
  3. Step 3: Cross multiply
    483,078.64x = 723,514.34 × 230,536.48
  4. Step 4: Simplify right side
    483,078.64x = 166,796,449,173.12
  5. Step 5: Solve for x
    x = 166,796,449,173.12/483,078.64
  6. Step 6: Final answer
    x = 345,278.05

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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.