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Finding the Fourth Proportional to 590,136,981.20, 827,401,097.20 and 590,136,981.20

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Solution

The fourth proportional to 590,136,981.20, 827,401,097.20 and 590,136,981.20 is: 827,401,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,136,981.20 : 827,401,097.20 = 590,136,981.20 : x
  2. Step 2: Convert to fraction form
    590,136,981.20/827,401,097.20 = 590,136,981.20/x
  3. Step 3: Cross multiply
    590,136,981.20x = 827,401,097.20 × 590,136,981.20
  4. Step 4: Simplify right side
    590,136,981.20x = 488,279,985,743,175,872
  5. Step 5: Solve for x
    x = 488,279,985,743,175,872/590,136,981.20
  6. Step 6: Final answer
    x = 827,401,097.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.