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Finding the Fourth Proportional to 220,375,482.40, 330,165,092.40 and 188,524,986.40

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Solution

The fourth proportional to 220,375,482.40, 330,165,092.40 and 188,524,986.40 is: 282,446,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,375,482.40 : 330,165,092.40 = 188,524,986.40 : x
  2. Step 2: Convert to fraction form
    220,375,482.40/330,165,092.40 = 188,524,986.40/x
  3. Step 3: Cross multiply
    220,375,482.40x = 330,165,092.40 × 188,524,986.40
  4. Step 4: Simplify right side
    220,375,482.40x = 62,244,369,554,464,744
  5. Step 5: Solve for x
    x = 62,244,369,554,464,744/220,375,482.40
  6. Step 6: Final answer
    x = 282,446,889.63

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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.