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Finding the Fourth Proportional to 293,569,324.80, 440,693,992.80 and 157,520,428.80

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Solution

The fourth proportional to 293,569,324.80, 440,693,992.80 and 157,520,428.80 is: 236,463,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,569,324.80 : 440,693,992.80 = 157,520,428.80 : x
  2. Step 2: Convert to fraction form
    293,569,324.80/440,693,992.80 = 157,520,428.80/x
  3. Step 3: Cross multiply
    293,569,324.80x = 440,693,992.80 × 157,520,428.80
  4. Step 4: Simplify right side
    293,569,324.80x = 69,418,306,715,440,120
  5. Step 5: Solve for x
    x = 69,418,306,715,440,120/293,569,324.80
  6. Step 6: Final answer
    x = 236,463,079.93

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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.