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Finding the Fourth Proportional to 510,246.41, 765,118.10 and 173,164.10

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Solution

The fourth proportional to 510,246.41, 765,118.10 and 173,164.10 is: 259,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,246.41 : 765,118.10 = 173,164.10 : x
  2. Step 2: Convert to fraction form
    510,246.41/765,118.10 = 173,164.10/x
  3. Step 3: Cross multiply
    510,246.41x = 765,118.10 × 173,164.10
  4. Step 4: Simplify right side
    510,246.41x = 132,490,983,354.62
  5. Step 5: Solve for x
    x = 132,490,983,354.62/510,246.41
  6. Step 6: Final answer
    x = 259,660.79

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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.