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Finding the Fourth Proportional to 298,936,165.80, 448,404,248.70 and 244,410,319.20

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Solution

The fourth proportional to 298,936,165.80, 448,404,248.70 and 244,410,319.20 is: 366,615,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,165.80 : 448,404,248.70 = 244,410,319.20 : x
  2. Step 2: Convert to fraction form
    298,936,165.80/448,404,248.70 = 244,410,319.20/x
  3. Step 3: Cross multiply
    298,936,165.80x = 448,404,248.70 × 244,410,319.20
  4. Step 4: Simplify right side
    298,936,165.80x = 109,594,625,555,403,184
  5. Step 5: Solve for x
    x = 109,594,625,555,403,184/298,936,165.80
  6. Step 6: Final answer
    x = 366,615,478.80

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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.