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Finding the Fourth Proportional to 338,561,674.40, 475,061,298.40 and 338,561,674.40

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Solution

The fourth proportional to 338,561,674.40, 475,061,298.40 and 338,561,674.40 is: 475,061,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,561,674.40 : 475,061,298.40 = 338,561,674.40 : x
  2. Step 2: Convert to fraction form
    338,561,674.40/475,061,298.40 = 338,561,674.40/x
  3. Step 3: Cross multiply
    338,561,674.40x = 475,061,298.40 × 338,561,674.40
  4. Step 4: Simplify right side
    338,561,674.40x = 160,837,548,628,942,016
  5. Step 5: Solve for x
    x = 160,837,548,628,942,016/338,561,674.40
  6. Step 6: Final answer
    x = 475,061,298.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.