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Finding the Fourth Proportional to 452,536.22, 678,951.78 and 215,848.10

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Solution

The fourth proportional to 452,536.22, 678,951.78 and 215,848.10 is: 323,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,536.22 : 678,951.78 = 215,848.10 : x
  2. Step 2: Convert to fraction form
    452,536.22/678,951.78 = 215,848.10/x
  3. Step 3: Cross multiply
    452,536.22x = 678,951.78 × 215,848.10
  4. Step 4: Simplify right side
    452,536.22x = 146,550,451,704.62
  5. Step 5: Solve for x
    x = 146,550,451,704.62/452,536.22
  6. Step 6: Final answer
    x = 323,842.48

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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.