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Finding the Fourth Proportional to 299,546,707.60, 449,320,061.40 and 251,173,766.80

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Solution

The fourth proportional to 299,546,707.60, 449,320,061.40 and 251,173,766.80 is: 376,760,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,546,707.60 : 449,320,061.40 = 251,173,766.80 : x
  2. Step 2: Convert to fraction form
    299,546,707.60/449,320,061.40 = 251,173,766.80/x
  3. Step 3: Cross multiply
    299,546,707.60x = 449,320,061.40 × 251,173,766.80
  4. Step 4: Simplify right side
    299,546,707.60x = 112,857,412,320,645,280
  5. Step 5: Solve for x
    x = 112,857,412,320,645,280/299,546,707.60
  6. Step 6: Final answer
    x = 376,760,650.20

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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.