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Finding the Fourth Proportional to 413,793.60, 570,893.04 and 268,780.56

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Solution

The fourth proportional to 413,793.60, 570,893.04 and 268,780.56 is: 370,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,793.60 : 570,893.04 = 268,780.56 : x
  2. Step 2: Convert to fraction form
    413,793.60/570,893.04 = 268,780.56/x
  3. Step 3: Cross multiply
    413,793.60x = 570,893.04 × 268,780.56
  4. Step 4: Simplify right side
    413,793.60x = 153,444,950,991.30
  5. Step 5: Solve for x
    x = 153,444,950,991.30/413,793.60
  6. Step 6: Final answer
    x = 370,824.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.