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Finding the Fourth Proportional to 417,060,615.20, 625,590,922.80 and 110,383,728.80

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Solution

The fourth proportional to 417,060,615.20, 625,590,922.80 and 110,383,728.80 is: 165,575,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,060,615.20 : 625,590,922.80 = 110,383,728.80 : x
  2. Step 2: Convert to fraction form
    417,060,615.20/625,590,922.80 = 110,383,728.80/x
  3. Step 3: Cross multiply
    417,060,615.20x = 625,590,922.80 × 110,383,728.80
  4. Step 4: Simplify right side
    417,060,615.20x = 69,055,058,762,096,928
  5. Step 5: Solve for x
    x = 69,055,058,762,096,928/417,060,615.20
  6. Step 6: Final answer
    x = 165,575,593.20

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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.