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Finding the Fourth Proportional to 340,753.36, 470,242.85 and 187,797.06

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Solution

The fourth proportional to 340,753.36, 470,242.85 and 187,797.06 is: 259,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,753.36 : 470,242.85 = 187,797.06 : x
  2. Step 2: Convert to fraction form
    340,753.36/470,242.85 = 187,797.06/x
  3. Step 3: Cross multiply
    340,753.36x = 470,242.85 × 187,797.06
  4. Step 4: Simplify right side
    340,753.36x = 88,310,223,777.04
  5. Step 5: Solve for x
    x = 88,310,223,777.04/340,753.36
  6. Step 6: Final answer
    x = 259,161.71

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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.