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Finding the Fourth Proportional to 573,213,772.80, 858,545,200.80 and 471,177,100.80

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Solution

The fourth proportional to 573,213,772.80, 858,545,200.80 and 471,177,100.80 is: 705,717,234.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,213,772.80 : 858,545,200.80 = 471,177,100.80 : x
  2. Step 2: Convert to fraction form
    573,213,772.80/858,545,200.80 = 471,177,100.80/x
  3. Step 3: Cross multiply
    573,213,772.80x = 858,545,200.80 × 471,177,100.80
  4. Step 4: Simplify right side
    573,213,772.80x = 404,526,838,618,697,856
  5. Step 5: Solve for x
    x = 404,526,838,618,697,856/573,213,772.80
  6. Step 6: Final answer
    x = 705,717,234.68

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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.