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Finding the Fourth Proportional to 354,696.38, 489,479.06 and 193,550.94

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Solution

The fourth proportional to 354,696.38, 489,479.06 and 193,550.94 is: 267,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,696.38 : 489,479.06 = 193,550.94 : x
  2. Step 2: Convert to fraction form
    354,696.38/489,479.06 = 193,550.94/x
  3. Step 3: Cross multiply
    354,696.38x = 489,479.06 × 193,550.94
  4. Step 4: Simplify right side
    354,696.38x = 94,739,132,173.32
  5. Step 5: Solve for x
    x = 94,739,132,173.32/354,696.38
  6. Step 6: Final answer
    x = 267,099.24

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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.