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Finding the Fourth Proportional to 343,652.46, 474,217.60 and 190,680.96

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Solution

The fourth proportional to 343,652.46, 474,217.60 and 190,680.96 is: 263,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,652.46 : 474,217.60 = 190,680.96 : x
  2. Step 2: Convert to fraction form
    343,652.46/474,217.60 = 190,680.96/x
  3. Step 3: Cross multiply
    343,652.46x = 474,217.60 × 190,680.96
  4. Step 4: Simplify right side
    343,652.46x = 90,424,267,216.90
  5. Step 5: Solve for x
    x = 90,424,267,216.90/343,652.46
  6. Step 6: Final answer
    x = 263,127.08

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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.