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Finding the Fourth Proportional to 500,007.60, 689,993.48 and 273,648.24

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Solution

The fourth proportional to 500,007.60, 689,993.48 and 273,648.24 is: 377,625.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,007.60 : 689,993.48 = 273,648.24 : x
  2. Step 2: Convert to fraction form
    500,007.60/689,993.48 = 273,648.24/x
  3. Step 3: Cross multiply
    500,007.60x = 689,993.48 × 273,648.24
  4. Step 4: Simplify right side
    500,007.60x = 188,815,501,413.48
  5. Step 5: Solve for x
    x = 188,815,501,413.48/500,007.60
  6. Step 6: Final answer
    x = 377,625.26

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1.5x scale

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.