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Finding the Fourth Proportional to 608,803.91, 840,092.20 and 412,170.41

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Solution

The fourth proportional to 608,803.91, 840,092.20 and 412,170.41 is: 568,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,803.91 : 840,092.20 = 412,170.41 : x
  2. Step 2: Convert to fraction form
    608,803.91/840,092.20 = 412,170.41/x
  3. Step 3: Cross multiply
    608,803.91x = 840,092.20 × 412,170.41
  4. Step 4: Simplify right side
    608,803.91x = 346,261,145,820.63
  5. Step 5: Solve for x
    x = 346,261,145,820.63/608,803.91
  6. Step 6: Final answer
    x = 568,756.44

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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.