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Finding the Fourth Proportional to 298,933,657.20, 448,400,485.80 and 162,884,761.20

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Solution

The fourth proportional to 298,933,657.20, 448,400,485.80 and 162,884,761.20 is: 244,327,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,933,657.20 : 448,400,485.80 = 162,884,761.20 : x
  2. Step 2: Convert to fraction form
    298,933,657.20/448,400,485.80 = 162,884,761.20/x
  3. Step 3: Cross multiply
    298,933,657.20x = 448,400,485.80 × 162,884,761.20
  4. Step 4: Simplify right side
    298,933,657.20x = 73,037,606,051,496,992
  5. Step 5: Solve for x
    x = 73,037,606,051,496,992/298,933,657.20
  6. Step 6: Final answer
    x = 244,327,141.80

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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.