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Finding the Fourth Proportional to 554,058,718.59, 764,600,625.90 and 303,164,757.90

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Solution

The fourth proportional to 554,058,718.59, 764,600,625.90 and 303,164,757.90 is: 418,367,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,058,718.59 : 764,600,625.90 = 303,164,757.90 : x
  2. Step 2: Convert to fraction form
    554,058,718.59/764,600,625.90 = 303,164,757.90/x
  3. Step 3: Cross multiply
    554,058,718.59x = 764,600,625.90 × 303,164,757.90
  4. Step 4: Simplify right side
    554,058,718.59x = 231,799,963,641,161,952
  5. Step 5: Solve for x
    x = 231,799,963,641,161,952/554,058,718.59
  6. Step 6: Final answer
    x = 418,367,143.89

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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.