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Finding the Fourth Proportional to 343,670.46, 474,252.81 and 190,715.33

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Solution

The fourth proportional to 343,670.46, 474,252.81 and 190,715.33 is: 263,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,670.46 : 474,252.81 = 190,715.33 : x
  2. Step 2: Convert to fraction form
    343,670.46/474,252.81 = 190,715.33/x
  3. Step 3: Cross multiply
    343,670.46x = 474,252.81 × 190,715.33
  4. Step 4: Simplify right side
    343,670.46x = 90,447,278,791.31
  5. Step 5: Solve for x
    x = 90,447,278,791.31/343,670.46
  6. Step 6: Final answer
    x = 263,180.25

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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.