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Finding the Fourth Proportional to 570,311.43, 855,160.30 and 228,583.37

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Solution

The fourth proportional to 570,311.43, 855,160.30 and 228,583.37 is: 342,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,311.43 : 855,160.30 = 228,583.37 : x
  2. Step 2: Convert to fraction form
    570,311.43/855,160.30 = 228,583.37/x
  3. Step 3: Cross multiply
    570,311.43x = 855,160.30 × 228,583.37
  4. Step 4: Simplify right side
    570,311.43x = 195,475,420,951.28
  5. Step 5: Solve for x
    x = 195,475,420,951.28/570,311.43
  6. Step 6: Final answer
    x = 342,752.07

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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.