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Finding the Fourth Proportional to 348,211.91, 480,496.25 and 204,963.41

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Solution

The fourth proportional to 348,211.91, 480,496.25 and 204,963.41 is: 282,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,211.91 : 480,496.25 = 204,963.41 : x
  2. Step 2: Convert to fraction form
    348,211.91/480,496.25 = 204,963.41/x
  3. Step 3: Cross multiply
    348,211.91x = 480,496.25 × 204,963.41
  4. Step 4: Simplify right side
    348,211.91x = 98,484,151,605.86
  5. Step 5: Solve for x
    x = 98,484,151,605.86/348,211.91
  6. Step 6: Final answer
    x = 282,828.21

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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.