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Finding the Fourth Proportional to 574,897,725.60, 862,458,562.80 and 165,967,216.80

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Solution

The fourth proportional to 574,897,725.60, 862,458,562.80 and 165,967,216.80 is: 248,983,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,897,725.60 : 862,458,562.80 = 165,967,216.80 : x
  2. Step 2: Convert to fraction form
    574,897,725.60/862,458,562.80 = 165,967,216.80/x
  3. Step 3: Cross multiply
    574,897,725.60x = 862,458,562.80 × 165,967,216.80
  4. Step 4: Simplify right side
    574,897,725.60x = 143,139,847,273,244,016
  5. Step 5: Solve for x
    x = 143,139,847,273,244,016/574,897,725.60
  6. Step 6: Final answer
    x = 248,983,151.09

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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.