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Finding the Fourth Proportional to 592,558,901.88, 818,014,841.10 and 394,649,748.60

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Solution

The fourth proportional to 592,558,901.88, 818,014,841.10 and 394,649,748.60 is: 544,805,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,558,901.88 : 818,014,841.10 = 394,649,748.60 : x
  2. Step 2: Convert to fraction form
    592,558,901.88/818,014,841.10 = 394,649,748.60/x
  3. Step 3: Cross multiply
    592,558,901.88x = 818,014,841.10 × 394,649,748.60
  4. Step 4: Simplify right side
    592,558,901.88x = 322,829,351,391,184,000
  5. Step 5: Solve for x
    x = 322,829,351,391,184,000/592,558,901.88
  6. Step 6: Final answer
    x = 544,805,504.34

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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.