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Finding the Fourth Proportional to 573,902.20, 858,812.10 and 499,835.80

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Solution

The fourth proportional to 573,902.20, 858,812.10 and 499,835.80 is: 747,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,902.20 : 858,812.10 = 499,835.80 : x
  2. Step 2: Convert to fraction form
    573,902.20/858,812.10 = 499,835.80/x
  3. Step 3: Cross multiply
    573,902.20x = 858,812.10 × 499,835.80
  4. Step 4: Simplify right side
    573,902.20x = 429,265,033,053.18
  5. Step 5: Solve for x
    x = 429,265,033,053.18/573,902.20
  6. Step 6: Final answer
    x = 747,975.93

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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.