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Finding the Fourth Proportional to 298,843,264.80, 448,327,882.80 and 94,392,007.20

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Solution

The fourth proportional to 298,843,264.80, 448,327,882.80 and 94,392,007.20 is: 141,607,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,843,264.80 : 448,327,882.80 = 94,392,007.20 : x
  2. Step 2: Convert to fraction form
    298,843,264.80/448,327,882.80 = 94,392,007.20/x
  3. Step 3: Cross multiply
    298,843,264.80x = 448,327,882.80 × 94,392,007.20
  4. Step 4: Simplify right side
    298,843,264.80x = 42,318,568,741,218,360
  5. Step 5: Solve for x
    x = 42,318,568,741,218,360/298,843,264.80
  6. Step 6: Final answer
    x = 141,607,905.30

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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.