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Finding the Fourth Proportional to 354,797.90, 489,620.94 and 193,652.93

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Solution

The fourth proportional to 354,797.90, 489,620.94 and 193,652.93 is: 267,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,797.90 : 489,620.94 = 193,652.93 : x
  2. Step 2: Convert to fraction form
    354,797.90/489,620.94 = 193,652.93/x
  3. Step 3: Cross multiply
    354,797.90x = 489,620.94 × 193,652.93
  4. Step 4: Simplify right side
    354,797.90x = 94,816,528,652.09
  5. Step 5: Solve for x
    x = 94,816,528,652.09/354,797.90
  6. Step 6: Final answer
    x = 267,240.96

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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.