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Finding the Fourth Proportional to 354,960.04, 489,845.88 and 193,816.48

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Solution

The fourth proportional to 354,960.04, 489,845.88 and 193,816.48 is: 267,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,960.04 : 489,845.88 = 193,816.48 : x
  2. Step 2: Convert to fraction form
    354,960.04/489,845.88 = 193,816.48/x
  3. Step 3: Cross multiply
    354,960.04x = 489,845.88 × 193,816.48
  4. Step 4: Simplify right side
    354,960.04x = 94,940,204,204.10
  5. Step 5: Solve for x
    x = 94,940,204,204.10/354,960.04
  6. Step 6: Final answer
    x = 267,467.30

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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.