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Finding the Fourth Proportional to 342,553.44, 472,724.16 and 191,650.56

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Solution

The fourth proportional to 342,553.44, 472,724.16 and 191,650.56 is: 264,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,553.44 : 472,724.16 = 191,650.56 : x
  2. Step 2: Convert to fraction form
    342,553.44/472,724.16 = 191,650.56/x
  3. Step 3: Cross multiply
    342,553.44x = 472,724.16 × 191,650.56
  4. Step 4: Simplify right side
    342,553.44x = 90,597,849,989.53
  5. Step 5: Solve for x
    x = 90,597,849,989.53/342,553.44
  6. Step 6: Final answer
    x = 264,478.00

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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.