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Finding the Fourth Proportional to 283,803.62, 391,717.23 and 170,604.50

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Solution

The fourth proportional to 283,803.62, 391,717.23 and 170,604.50 is: 235,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,803.62 : 391,717.23 = 170,604.50 : x
  2. Step 2: Convert to fraction form
    283,803.62/391,717.23 = 170,604.50/x
  3. Step 3: Cross multiply
    283,803.62x = 391,717.23 × 170,604.50
  4. Step 4: Simplify right side
    283,803.62x = 66,828,722,165.54
  5. Step 5: Solve for x
    x = 66,828,722,165.54/283,803.62
  6. Step 6: Final answer
    x = 235,475.23

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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.