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Finding the Fourth Proportional to 269,900,470.40, 404,850,705.60 and 133,851,574.40

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Solution

The fourth proportional to 269,900,470.40, 404,850,705.60 and 133,851,574.40 is: 200,777,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,900,470.40 : 404,850,705.60 = 133,851,574.40 : x
  2. Step 2: Convert to fraction form
    269,900,470.40/404,850,705.60 = 133,851,574.40/x
  3. Step 3: Cross multiply
    269,900,470.40x = 404,850,705.60 × 133,851,574.40
  4. Step 4: Simplify right side
    269,900,470.40x = 54,189,904,341,510,904
  5. Step 5: Solve for x
    x = 54,189,904,341,510,904/269,900,470.40
  6. Step 6: Final answer
    x = 200,777,361.60

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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.