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Finding the Fourth Proportional to 331,842,003.80, 463,717,870.90 and 331,842,003.80

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Solution

The fourth proportional to 331,842,003.80, 463,717,870.90 and 331,842,003.80 is: 463,717,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,842,003.80 : 463,717,870.90 = 331,842,003.80 : x
  2. Step 2: Convert to fraction form
    331,842,003.80/463,717,870.90 = 331,842,003.80/x
  3. Step 3: Cross multiply
    331,842,003.80x = 463,717,870.90 × 331,842,003.80
  4. Step 4: Simplify right side
    331,842,003.80x = 153,881,067,477,325,696
  5. Step 5: Solve for x
    x = 153,881,067,477,325,696/331,842,003.80
  6. Step 6: Final answer
    x = 463,717,870.90

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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.