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Finding the Fourth Proportional to 298,560,321.72, 447,655,724.76 and 116,593,523.64

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Solution

The fourth proportional to 298,560,321.72, 447,655,724.76 and 116,593,523.64 is: 174,818,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,560,321.72 : 447,655,724.76 = 116,593,523.64 : x
  2. Step 2: Convert to fraction form
    298,560,321.72/447,655,724.76 = 116,593,523.64/x
  3. Step 3: Cross multiply
    298,560,321.72x = 447,655,724.76 × 116,593,523.64
  4. Step 4: Simplify right side
    298,560,321.72x = 52,193,758,327,386,392
  5. Step 5: Solve for x
    x = 52,193,758,327,386,392/298,560,321.72
  6. Step 6: Final answer
    x = 174,818,133.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.