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Finding the Fourth Proportional to 404,932.90, 607,399.35 and 124,413.70

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Solution

The fourth proportional to 404,932.90, 607,399.35 and 124,413.70 is: 186,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,932.90 : 607,399.35 = 124,413.70 : x
  2. Step 2: Convert to fraction form
    404,932.90/607,399.35 = 124,413.70/x
  3. Step 3: Cross multiply
    404,932.90x = 607,399.35 × 124,413.70
  4. Step 4: Simplify right side
    404,932.90x = 75,568,800,511.10
  5. Step 5: Solve for x
    x = 75,568,800,511.10/404,932.90
  6. Step 6: Final answer
    x = 186,620.55

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1.5x scale

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.