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Finding the Fourth Proportional to 377,555.80, 566,333.70 and 228,256.60

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Solution

The fourth proportional to 377,555.80, 566,333.70 and 228,256.60 is: 342,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,555.80 : 566,333.70 = 228,256.60 : x
  2. Step 2: Convert to fraction form
    377,555.80/566,333.70 = 228,256.60/x
  3. Step 3: Cross multiply
    377,555.80x = 566,333.70 × 228,256.60
  4. Step 4: Simplify right side
    377,555.80x = 129,269,404,827.42
  5. Step 5: Solve for x
    x = 129,269,404,827.42/377,555.80
  6. Step 6: Final answer
    x = 342,384.90

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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.