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Finding the Fourth Proportional to 322,413.72, 444,895.59 and 186,427.08

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Solution

The fourth proportional to 322,413.72, 444,895.59 and 186,427.08 is: 257,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,413.72 : 444,895.59 = 186,427.08 : x
  2. Step 2: Convert to fraction form
    322,413.72/444,895.59 = 186,427.08/x
  3. Step 3: Cross multiply
    322,413.72x = 444,895.59 × 186,427.08
  4. Step 4: Simplify right side
    322,413.72x = 82,940,585,748.58
  5. Step 5: Solve for x
    x = 82,940,585,748.58/322,413.72
  6. Step 6: Final answer
    x = 257,248.93

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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.