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Finding the Fourth Proportional to 343,798.68, 474,418.40 and 190,824.83

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Solution

The fourth proportional to 343,798.68, 474,418.40 and 190,824.83 is: 263,325.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,798.68 : 474,418.40 = 190,824.83 : x
  2. Step 2: Convert to fraction form
    343,798.68/474,418.40 = 190,824.83/x
  3. Step 3: Cross multiply
    343,798.68x = 474,418.40 × 190,824.83
  4. Step 4: Simplify right side
    343,798.68x = 90,530,810,528.87
  5. Step 5: Solve for x
    x = 90,530,810,528.87/343,798.68
  6. Step 6: Final answer
    x = 263,325.07

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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.