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Finding the Fourth Proportional to 559,560,703.97, 772,180,134.99 and 308,659,602.33

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Solution

The fourth proportional to 559,560,703.97, 772,180,134.99 and 308,659,602.33 is: 425,942,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,560,703.97 : 772,180,134.99 = 308,659,602.33 : x
  2. Step 2: Convert to fraction form
    559,560,703.97/772,180,134.99 = 308,659,602.33/x
  3. Step 3: Cross multiply
    559,560,703.97x = 772,180,134.99 × 308,659,602.33
  4. Step 4: Simplify right side
    559,560,703.97x = 238,340,813,393,139,104
  5. Step 5: Solve for x
    x = 238,340,813,393,139,104/559,560,703.97
  6. Step 6: Final answer
    x = 425,942,729.18

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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.