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Finding the Fourth Proportional to 371,413.42, 512,550.51 and 201,647.56

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Solution

The fourth proportional to 371,413.42, 512,550.51 and 201,647.56 is: 278,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,413.42 : 512,550.51 = 201,647.56 : x
  2. Step 2: Convert to fraction form
    371,413.42/512,550.51 = 201,647.56/x
  3. Step 3: Cross multiply
    371,413.42x = 512,550.51 × 201,647.56
  4. Step 4: Simplify right side
    371,413.42x = 103,354,559,718.26
  5. Step 5: Solve for x
    x = 103,354,559,718.26/371,413.42
  6. Step 6: Final answer
    x = 278,273.63

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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.