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Finding the Fourth Proportional to 348,054.78, 480,337.79 and 195,093.01

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Solution

The fourth proportional to 348,054.78, 480,337.79 and 195,093.01 is: 269,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,054.78 : 480,337.79 = 195,093.01 : x
  2. Step 2: Convert to fraction form
    348,054.78/480,337.79 = 195,093.01/x
  3. Step 3: Cross multiply
    348,054.78x = 480,337.79 × 195,093.01
  4. Step 4: Simplify right side
    348,054.78x = 93,710,542,378.43
  5. Step 5: Solve for x
    x = 93,710,542,378.43/348,054.78
  6. Step 6: Final answer
    x = 269,240.79

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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.