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Finding the Fourth Proportional to 262,893,582.14, 360,893,367.64 and 225,659,220.26

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Solution

The fourth proportional to 262,893,582.14, 360,893,367.64 and 225,659,220.26 is: 309,779,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,893,582.14 : 360,893,367.64 = 225,659,220.26 : x
  2. Step 2: Convert to fraction form
    262,893,582.14/360,893,367.64 = 225,659,220.26/x
  3. Step 3: Cross multiply
    262,893,582.14x = 360,893,367.64 × 225,659,220.26
  4. Step 4: Simplify right side
    262,893,582.14x = 81,438,915,938,647,904
  5. Step 5: Solve for x
    x = 81,438,915,938,647,904/262,893,582.14
  6. Step 6: Final answer
    x = 309,779,018.86

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.