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Finding the Fourth Proportional to 627,871.60, 941,237.79 and 228,230.11

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Solution

The fourth proportional to 627,871.60, 941,237.79 and 228,230.11 is: 342,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,871.60 : 941,237.79 = 228,230.11 : x
  2. Step 2: Convert to fraction form
    627,871.60/941,237.79 = 228,230.11/x
  3. Step 3: Cross multiply
    627,871.60x = 941,237.79 × 228,230.11
  4. Step 4: Simplify right side
    627,871.60x = 214,818,804,347.86
  5. Step 5: Solve for x
    x = 214,818,804,347.86/627,871.60
  6. Step 6: Final answer
    x = 342,138.11

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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.