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Finding the Fourth Proportional to 544,514.56, 816,815.07 and 165,468.40

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Solution

The fourth proportional to 544,514.56, 816,815.07 and 165,468.40 is: 248,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,514.56 : 816,815.07 = 165,468.40 : x
  2. Step 2: Convert to fraction form
    544,514.56/816,815.07 = 165,468.40/x
  3. Step 3: Cross multiply
    544,514.56x = 816,815.07 × 165,468.40
  4. Step 4: Simplify right side
    544,514.56x = 135,157,080,686.75
  5. Step 5: Solve for x
    x = 135,157,080,686.75/544,514.56
  6. Step 6: Final answer
    x = 248,215.73

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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.