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Finding the Fourth Proportional to 670,846.92, 925,793.48 and 384,422.38

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Solution

The fourth proportional to 670,846.92, 925,793.48 and 384,422.38 is: 530,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,846.92 : 925,793.48 = 384,422.38 : x
  2. Step 2: Convert to fraction form
    670,846.92/925,793.48 = 384,422.38/x
  3. Step 3: Cross multiply
    670,846.92x = 925,793.48 × 384,422.38
  4. Step 4: Simplify right side
    670,846.92x = 355,895,732,970.08
  5. Step 5: Solve for x
    x = 355,895,732,970.08/670,846.92
  6. Step 6: Final answer
    x = 530,517.06

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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.