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Finding the Fourth Proportional to 573,177.20, 857,724.60 and 499,110.80

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Solution

The fourth proportional to 573,177.20, 857,724.60 and 499,110.80 is: 746,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,177.20 : 857,724.60 = 499,110.80 : x
  2. Step 2: Convert to fraction form
    573,177.20/857,724.60 = 499,110.80/x
  3. Step 3: Cross multiply
    573,177.20x = 857,724.60 × 499,110.80
  4. Step 4: Simplify right side
    573,177.20x = 428,099,611,285.68
  5. Step 5: Solve for x
    x = 428,099,611,285.68/573,177.20
  6. Step 6: Final answer
    x = 746,888.77

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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.