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Finding the Fourth Proportional to 348,288.02, 480,642.88 and 195,360.16

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Solution

The fourth proportional to 348,288.02, 480,642.88 and 195,360.16 is: 269,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,288.02 : 480,642.88 = 195,360.16 : x
  2. Step 2: Convert to fraction form
    348,288.02/480,642.88 = 195,360.16/x
  3. Step 3: Cross multiply
    348,288.02x = 480,642.88 × 195,360.16
  4. Step 4: Simplify right side
    348,288.02x = 93,898,469,939.66
  5. Step 5: Solve for x
    x = 93,898,469,939.66/348,288.02
  6. Step 6: Final answer
    x = 269,600.06

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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.