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Finding the Fourth Proportional to 343,669.46, 474,251.44 and 190,714.32

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Solution

The fourth proportional to 343,669.46, 474,251.44 and 190,714.32 is: 263,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,669.46 : 474,251.44 = 190,714.32 : x
  2. Step 2: Convert to fraction form
    343,669.46/474,251.44 = 190,714.32/x
  3. Step 3: Cross multiply
    343,669.46x = 474,251.44 × 190,714.32
  4. Step 4: Simplify right side
    343,669.46x = 90,446,540,888.62
  5. Step 5: Solve for x
    x = 90,446,540,888.62/343,669.46
  6. Step 6: Final answer
    x = 263,178.87

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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.