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Finding the Fourth Proportional to 331,841,433.80, 463,717,072.90 and 331,841,433.80

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Solution

The fourth proportional to 331,841,433.80, 463,717,072.90 and 331,841,433.80 is: 463,717,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,841,433.80 : 463,717,072.90 = 331,841,433.80 : x
  2. Step 2: Convert to fraction form
    331,841,433.80/463,717,072.90 = 331,841,433.80/x
  3. Step 3: Cross multiply
    331,841,433.80x = 463,717,072.90 × 331,841,433.80
  4. Step 4: Simplify right side
    331,841,433.80x = 153,880,538,348,675,136
  5. Step 5: Solve for x
    x = 153,880,538,348,675,136/331,841,433.80
  6. Step 6: Final answer
    x = 463,717,072.90

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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.