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Finding the Fourth Proportional to 269,731,208.80, 404,596,813.20 and 241,009,775.20

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Solution

The fourth proportional to 269,731,208.80, 404,596,813.20 and 241,009,775.20 is: 361,514,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,731,208.80 : 404,596,813.20 = 241,009,775.20 : x
  2. Step 2: Convert to fraction form
    269,731,208.80/404,596,813.20 = 241,009,775.20/x
  3. Step 3: Cross multiply
    269,731,208.80x = 404,596,813.20 × 241,009,775.20
  4. Step 4: Simplify right side
    269,731,208.80x = 97,511,786,995,968,384
  5. Step 5: Solve for x
    x = 97,511,786,995,968,384/269,731,208.80
  6. Step 6: Final answer
    x = 361,514,662.80

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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.