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Finding the Fourth Proportional to 651,893.57, 899,610.30 and 365,413.66

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Solution

The fourth proportional to 651,893.57, 899,610.30 and 365,413.66 is: 504,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,893.57 : 899,610.30 = 365,413.66 : x
  2. Step 2: Convert to fraction form
    651,893.57/899,610.30 = 365,413.66/x
  3. Step 3: Cross multiply
    651,893.57x = 899,610.30 × 365,413.66
  4. Step 4: Simplify right side
    651,893.57x = 328,729,892,296.70
  5. Step 5: Solve for x
    x = 328,729,892,296.70/651,893.57
  6. Step 6: Final answer
    x = 504,269.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.