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Finding the Fourth Proportional to 452,795.39, 679,216.34 and 115,838.96

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Solution

The fourth proportional to 452,795.39, 679,216.34 and 115,838.96 is: 173,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,795.39 : 679,216.34 = 115,838.96 : x
  2. Step 2: Convert to fraction form
    452,795.39/679,216.34 = 115,838.96/x
  3. Step 3: Cross multiply
    452,795.39x = 679,216.34 × 115,838.96
  4. Step 4: Simplify right side
    452,795.39x = 78,679,714,440.61
  5. Step 5: Solve for x
    x = 78,679,714,440.61/452,795.39
  6. Step 6: Final answer
    x = 173,764.39

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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.