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Finding the Fourth Proportional to 354,596.43, 489,333.36 and 193,451.43

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Solution

The fourth proportional to 354,596.43, 489,333.36 and 193,451.43 is: 266,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,596.43 : 489,333.36 = 193,451.43 : x
  2. Step 2: Convert to fraction form
    354,596.43/489,333.36 = 193,451.43/x
  3. Step 3: Cross multiply
    354,596.43x = 489,333.36 × 193,451.43
  4. Step 4: Simplify right side
    354,596.43x = 94,662,238,238.70
  5. Step 5: Solve for x
    x = 94,662,238,238.70/354,596.43
  6. Step 6: Final answer
    x = 266,957.67

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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.