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Finding the Fourth Proportional to 198,633,643.70, 297,950,465.55 and 198,633,643.70

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Solution

The fourth proportional to 198,633,643.70, 297,950,465.55 and 198,633,643.70 is: 297,950,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,633,643.70 : 297,950,465.55 = 198,633,643.70 : x
  2. Step 2: Convert to fraction form
    198,633,643.70/297,950,465.55 = 198,633,643.70/x
  3. Step 3: Cross multiply
    198,633,643.70x = 297,950,465.55 × 198,633,643.70
  4. Step 4: Simplify right side
    198,633,643.70x = 59,182,986,614,307,824
  5. Step 5: Solve for x
    x = 59,182,986,614,307,824/198,633,643.70
  6. Step 6: Final answer
    x = 297,950,465.55

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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.