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Finding the Fourth Proportional to 591,994.83, 887,893.25 and 212,838.27

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Solution

The fourth proportional to 591,994.83, 887,893.25 and 212,838.27 is: 319,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,994.83 : 887,893.25 = 212,838.27 : x
  2. Step 2: Convert to fraction form
    591,994.83/887,893.25 = 212,838.27/x
  3. Step 3: Cross multiply
    591,994.83x = 887,893.25 × 212,838.27
  4. Step 4: Simplify right side
    591,994.83x = 188,977,662,210.49
  5. Step 5: Solve for x
    x = 188,977,662,210.49/591,994.83
  6. Step 6: Final answer
    x = 319,221.81

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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.