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Finding the Fourth Proportional to 241,671,859.20, 362,507,788.80 and 217,485,388.80

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Solution

The fourth proportional to 241,671,859.20, 362,507,788.80 and 217,485,388.80 is: 326,228,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,671,859.20 : 362,507,788.80 = 217,485,388.80 : x
  2. Step 2: Convert to fraction form
    241,671,859.20/362,507,788.80 = 217,485,388.80/x
  3. Step 3: Cross multiply
    241,671,859.20x = 362,507,788.80 × 217,485,388.80
  4. Step 4: Simplify right side
    241,671,859.20x = 78,840,147,390,196,288
  5. Step 5: Solve for x
    x = 78,840,147,390,196,288/241,671,859.20
  6. Step 6: Final answer
    x = 326,228,083.20

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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.