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Finding the Fourth Proportional to 500,959,647.06, 691,300,891.14 and 277,938,955.17

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Solution

The fourth proportional to 500,959,647.06, 691,300,891.14 and 277,938,955.17 is: 383,542,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,959,647.06 : 691,300,891.14 = 277,938,955.17 : x
  2. Step 2: Convert to fraction form
    500,959,647.06/691,300,891.14 = 277,938,955.17/x
  3. Step 3: Cross multiply
    500,959,647.06x = 691,300,891.14 × 277,938,955.17
  4. Step 4: Simplify right side
    500,959,647.06x = 192,139,447,391,541,504
  5. Step 5: Solve for x
    x = 192,139,447,391,541,504/500,959,647.06
  6. Step 6: Final answer
    x = 383,542,763.41

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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.