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Finding the Fourth Proportional to 351,024.66, 484,413.89 and 189,879.48

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Solution

The fourth proportional to 351,024.66, 484,413.89 and 189,879.48 is: 262,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,024.66 : 484,413.89 = 189,879.48 : x
  2. Step 2: Convert to fraction form
    351,024.66/484,413.89 = 189,879.48/x
  3. Step 3: Cross multiply
    351,024.66x = 484,413.89 × 189,879.48
  4. Step 4: Simplify right side
    351,024.66x = 91,980,256,588.58
  5. Step 5: Solve for x
    x = 91,980,256,588.58/351,024.66
  6. Step 6: Final answer
    x = 262,033.60

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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.