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Finding the Fourth Proportional to 592,558,912.88, 818,014,856.28 and 394,649,759.60

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Solution

The fourth proportional to 592,558,912.88, 818,014,856.28 and 394,649,759.60 is: 544,805,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,558,912.88 : 818,014,856.28 = 394,649,759.60 : x
  2. Step 2: Convert to fraction form
    592,558,912.88/818,014,856.28 = 394,649,759.60/x
  3. Step 3: Cross multiply
    592,558,912.88x = 818,014,856.28 × 394,649,759.60
  4. Step 4: Simplify right side
    592,558,912.88x = 322,829,366,380,130,560
  5. Step 5: Solve for x
    x = 322,829,366,380,130,560/592,558,912.88
  6. Step 6: Final answer
    x = 544,805,519.52

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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.