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Finding the Fourth Proportional to 371,179.15, 512,237.15 and 201,413.41

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Solution

The fourth proportional to 371,179.15, 512,237.15 and 201,413.41 is: 277,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,179.15 : 512,237.15 = 201,413.41 : x
  2. Step 2: Convert to fraction form
    371,179.15/512,237.15 = 201,413.41/x
  3. Step 3: Cross multiply
    371,179.15x = 512,237.15 × 201,413.41
  4. Step 4: Simplify right side
    371,179.15x = 103,171,429,577.82
  5. Step 5: Solve for x
    x = 103,171,429,577.82/371,179.15
  6. Step 6: Final answer
    x = 277,955.89

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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.