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Finding the Fourth Proportional to 264,920.20, 397,380.30 and 235,889.80

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Solution

The fourth proportional to 264,920.20, 397,380.30 and 235,889.80 is: 353,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,920.20 : 397,380.30 = 235,889.80 : x
  2. Step 2: Convert to fraction form
    264,920.20/397,380.30 = 235,889.80/x
  3. Step 3: Cross multiply
    264,920.20x = 397,380.30 × 235,889.80
  4. Step 4: Simplify right side
    264,920.20x = 93,737,959,490.94
  5. Step 5: Solve for x
    x = 93,737,959,490.94/264,920.20
  6. Step 6: Final answer
    x = 353,834.70

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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.