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Finding the Fourth Proportional to 402,651,183.01, 555,649,923.31 and 233,112,570.32

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Solution

The fourth proportional to 402,651,183.01, 555,649,923.31 and 233,112,570.32 is: 321,690,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,651,183.01 : 555,649,923.31 = 233,112,570.32 : x
  2. Step 2: Convert to fraction form
    402,651,183.01/555,649,923.31 = 233,112,570.32/x
  3. Step 3: Cross multiply
    402,651,183.01x = 555,649,923.31 × 233,112,570.32
  4. Step 4: Simplify right side
    402,651,183.01x = 129,528,981,822,240,288
  5. Step 5: Solve for x
    x = 129,528,981,822,240,288/402,651,183.01
  6. Step 6: Final answer
    x = 321,690,304.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.