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Finding the Fourth Proportional to 451,043.56, 622,413.95 and 247,058.97

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Solution

The fourth proportional to 451,043.56, 622,413.95 and 247,058.97 is: 340,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,043.56 : 622,413.95 = 247,058.97 : x
  2. Step 2: Convert to fraction form
    451,043.56/622,413.95 = 247,058.97/x
  3. Step 3: Cross multiply
    451,043.56x = 622,413.95 × 247,058.97
  4. Step 4: Simplify right side
    451,043.56x = 153,772,948,771.07
  5. Step 5: Solve for x
    x = 153,772,948,771.07/451,043.56
  6. Step 6: Final answer
    x = 340,927.05

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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.