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Finding the Fourth Proportional to 373,404,581.80, 560,106,872.70 and 347,895,413.80

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Solution

The fourth proportional to 373,404,581.80, 560,106,872.70 and 347,895,413.80 is: 521,843,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,404,581.80 : 560,106,872.70 = 347,895,413.80 : x
  2. Step 2: Convert to fraction form
    373,404,581.80/560,106,872.70 = 347,895,413.80/x
  3. Step 3: Cross multiply
    373,404,581.80x = 560,106,872.70 × 347,895,413.80
  4. Step 4: Simplify right side
    373,404,581.80x = 194,858,612,250,190,432
  5. Step 5: Solve for x
    x = 194,858,612,250,190,432/373,404,581.80
  6. Step 6: Final answer
    x = 521,843,120.70

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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.