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Finding the Fourth Proportional to 331,841,431.80, 463,717,070.10 and 331,841,431.80

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Solution

The fourth proportional to 331,841,431.80, 463,717,070.10 and 331,841,431.80 is: 463,717,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,841,431.80 : 463,717,070.10 = 331,841,431.80 : x
  2. Step 2: Convert to fraction form
    331,841,431.80/463,717,070.10 = 331,841,431.80/x
  3. Step 3: Cross multiply
    331,841,431.80x = 463,717,070.10 × 331,841,431.80
  4. Step 4: Simplify right side
    331,841,431.80x = 153,880,536,492,084,992
  5. Step 5: Solve for x
    x = 153,880,536,492,084,992/331,841,431.80
  6. Step 6: Final answer
    x = 463,717,070.10

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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.