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Finding the Fourth Proportional to 572,338,864.80, 858,554,953.20 and 244,816,855.20

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Solution

The fourth proportional to 572,338,864.80, 858,554,953.20 and 244,816,855.20 is: 367,245,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,338,864.80 : 858,554,953.20 = 244,816,855.20 : x
  2. Step 2: Convert to fraction form
    572,338,864.80/858,554,953.20 = 244,816,855.20/x
  3. Step 3: Cross multiply
    572,338,864.80x = 858,554,953.20 × 244,816,855.20
  4. Step 4: Simplify right side
    572,338,864.80x = 210,188,723,658,807,168
  5. Step 5: Solve for x
    x = 210,188,723,658,807,168/572,338,864.80
  6. Step 6: Final answer
    x = 367,245,239.81

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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.