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Finding the Fourth Proportional to 404,882.60, 607,323.90 and 124,413.80

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Solution

The fourth proportional to 404,882.60, 607,323.90 and 124,413.80 is: 186,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,882.60 : 607,323.90 = 124,413.80 : x
  2. Step 2: Convert to fraction form
    404,882.60/607,323.90 = 124,413.80/x
  3. Step 3: Cross multiply
    404,882.60x = 607,323.90 × 124,413.80
  4. Step 4: Simplify right side
    404,882.60x = 75,559,474,229.82
  5. Step 5: Solve for x
    x = 75,559,474,229.82/404,882.60
  6. Step 6: Final answer
    x = 186,620.70

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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.