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Finding the Fourth Proportional to 452,767.22, 679,143.83 and 115,804.89

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Solution

The fourth proportional to 452,767.22, 679,143.83 and 115,804.89 is: 173,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,767.22 : 679,143.83 = 115,804.89 : x
  2. Step 2: Convert to fraction form
    452,767.22/679,143.83 = 115,804.89/x
  3. Step 3: Cross multiply
    452,767.22x = 679,143.83 × 115,804.89
  4. Step 4: Simplify right side
    452,767.22x = 78,648,173,131.61
  5. Step 5: Solve for x
    x = 78,648,173,131.61/452,767.22
  6. Step 6: Final answer
    x = 173,705.54

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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.