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Finding the Fourth Proportional to 541,868,149.90, 747,798,602.52 and 303,717,736

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Solution

The fourth proportional to 541,868,149.90, 747,798,602.52 and 303,717,736 is: 419,141,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,868,149.90 : 747,798,602.52 = 303,717,736 : x
  2. Step 2: Convert to fraction form
    541,868,149.90/747,798,602.52 = 303,717,736/x
  3. Step 3: Cross multiply
    541,868,149.90x = 747,798,602.52 × 303,717,736
  4. Step 4: Simplify right side
    541,868,149.90x = 227,119,698,541,338,304
  5. Step 5: Solve for x
    x = 227,119,698,541,338,304/541,868,149.90
  6. Step 6: Final answer
    x = 419,141,997.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.