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Finding the Fourth Proportional to 343,630.53, 474,233.81 and 192,737.25

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Solution

The fourth proportional to 343,630.53, 474,233.81 and 192,737.25 is: 265,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,630.53 : 474,233.81 = 192,737.25 : x
  2. Step 2: Convert to fraction form
    343,630.53/474,233.81 = 192,737.25/x
  3. Step 3: Cross multiply
    343,630.53x = 474,233.81 × 192,737.25
  4. Step 4: Simplify right side
    343,630.53x = 91,402,520,396.42
  5. Step 5: Solve for x
    x = 91,402,520,396.42/343,630.53
  6. Step 6: Final answer
    x = 265,990.69

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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.