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Finding the Fourth Proportional to 354,953.96, 489,846.55 and 193,819.22

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Solution

The fourth proportional to 354,953.96, 489,846.55 and 193,819.22 is: 267,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,953.96 : 489,846.55 = 193,819.22 : x
  2. Step 2: Convert to fraction form
    354,953.96/489,846.55 = 193,819.22/x
  3. Step 3: Cross multiply
    354,953.96x = 489,846.55 × 193,819.22
  4. Step 4: Simplify right side
    354,953.96x = 94,941,676,240.69
  5. Step 5: Solve for x
    x = 94,941,676,240.69/354,953.96
  6. Step 6: Final answer
    x = 267,476.03

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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.