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Finding the Fourth Proportional to 504,755,728.80, 757,133,593.20 and 323,357,200.80

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Solution

The fourth proportional to 504,755,728.80, 757,133,593.20 and 323,357,200.80 is: 485,035,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,755,728.80 : 757,133,593.20 = 323,357,200.80 : x
  2. Step 2: Convert to fraction form
    504,755,728.80/757,133,593.20 = 323,357,200.80/x
  3. Step 3: Cross multiply
    504,755,728.80x = 757,133,593.20 × 323,357,200.80
  4. Step 4: Simplify right side
    504,755,728.80x = 244,824,599,328,797,952
  5. Step 5: Solve for x
    x = 244,824,599,328,797,952/504,755,728.80
  6. Step 6: Final answer
    x = 485,035,801.20

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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.