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Finding the Fourth Proportional to 343,738.94, 474,352.58 and 190,768.22

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Solution

The fourth proportional to 343,738.94, 474,352.58 and 190,768.22 is: 263,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,738.94 : 474,352.58 = 190,768.22 : x
  2. Step 2: Convert to fraction form
    343,738.94/474,352.58 = 190,768.22/x
  3. Step 3: Cross multiply
    343,738.94x = 474,352.58 × 190,768.22
  4. Step 4: Simplify right side
    343,738.94x = 90,491,397,339.01
  5. Step 5: Solve for x
    x = 90,491,397,339.01/343,738.94
  6. Step 6: Final answer
    x = 263,256.17

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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.