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Finding the Fourth Proportional to 497,626.93, 746,442.31 and 151,413.79

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Solution

The fourth proportional to 497,626.93, 746,442.31 and 151,413.79 is: 227,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,626.93 : 746,442.31 = 151,413.79 : x
  2. Step 2: Convert to fraction form
    497,626.93/746,442.31 = 151,413.79/x
  3. Step 3: Cross multiply
    497,626.93x = 746,442.31 × 151,413.79
  4. Step 4: Simplify right side
    497,626.93x = 113,021,659,173.46
  5. Step 5: Solve for x
    x = 113,021,659,173.46/497,626.93
  6. Step 6: Final answer
    x = 227,121.27

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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.