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Finding the Fourth Proportional to 496,768,019.20, 745,152,028.80 and 173,618,195.20

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Solution

The fourth proportional to 496,768,019.20, 745,152,028.80 and 173,618,195.20 is: 260,427,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,768,019.20 : 745,152,028.80 = 173,618,195.20 : x
  2. Step 2: Convert to fraction form
    496,768,019.20/745,152,028.80 = 173,618,195.20/x
  3. Step 3: Cross multiply
    496,768,019.20x = 745,152,028.80 × 173,618,195.20
  4. Step 4: Simplify right side
    496,768,019.20x = 129,371,950,389,874,400
  5. Step 5: Solve for x
    x = 129,371,950,389,874,400/496,768,019.20
  6. Step 6: Final answer
    x = 260,427,292.80

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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.