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Finding the Fourth Proportional to 573,159.20, 857,697.60 and 499,092.80

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Solution

The fourth proportional to 573,159.20, 857,697.60 and 499,092.80 is: 746,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,159.20 : 857,697.60 = 499,092.80 : x
  2. Step 2: Convert to fraction form
    573,159.20/857,697.60 = 499,092.80/x
  3. Step 3: Cross multiply
    573,159.20x = 857,697.60 × 499,092.80
  4. Step 4: Simplify right side
    573,159.20x = 428,070,696,737.28
  5. Step 5: Solve for x
    x = 428,070,696,737.28/573,159.20
  6. Step 6: Final answer
    x = 746,861.77

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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.