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Finding the Fourth Proportional to 287,596.44, 396,894.60 and 160,270.92

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Solution

The fourth proportional to 287,596.44, 396,894.60 and 160,270.92 is: 221,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,596.44 : 396,894.60 = 160,270.92 : x
  2. Step 2: Convert to fraction form
    287,596.44/396,894.60 = 160,270.92/x
  3. Step 3: Cross multiply
    287,596.44x = 396,894.60 × 160,270.92
  4. Step 4: Simplify right side
    287,596.44x = 63,610,662,685.03
  5. Step 5: Solve for x
    x = 63,610,662,685.03/287,596.44
  6. Step 6: Final answer
    x = 221,180.29

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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.