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Finding the Fourth Proportional to 377,713.20, 567,007.20 and 228,122.40

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Solution

The fourth proportional to 377,713.20, 567,007.20 and 228,122.40 is: 342,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,713.20 : 567,007.20 = 228,122.40 : x
  2. Step 2: Convert to fraction form
    377,713.20/567,007.20 = 228,122.40/x
  3. Step 3: Cross multiply
    377,713.20x = 567,007.20 × 228,122.40
  4. Step 4: Simplify right side
    377,713.20x = 129,347,043,281.28
  5. Step 5: Solve for x
    x = 129,347,043,281.28/377,713.20
  6. Step 6: Final answer
    x = 342,447.77

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1.5x scale

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.