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Finding the Fourth Proportional to 377,551.80, 566,327.70 and 228,252.60

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Solution

The fourth proportional to 377,551.80, 566,327.70 and 228,252.60 is: 342,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,551.80 : 566,327.70 = 228,252.60 : x
  2. Step 2: Convert to fraction form
    377,551.80/566,327.70 = 228,252.60/x
  3. Step 3: Cross multiply
    377,551.80x = 566,327.70 × 228,252.60
  4. Step 4: Simplify right side
    377,551.80x = 129,265,769,977.02
  5. Step 5: Solve for x
    x = 129,265,769,977.02/377,551.80
  6. Step 6: Final answer
    x = 342,378.90

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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.