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Finding the Fourth Proportional to 348,316.92, 480,682.85 and 195,389.10

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Solution

The fourth proportional to 348,316.92, 480,682.85 and 195,389.10 is: 269,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,316.92 : 480,682.85 = 195,389.10 : x
  2. Step 2: Convert to fraction form
    348,316.92/480,682.85 = 195,389.10/x
  3. Step 3: Cross multiply
    348,316.92x = 480,682.85 × 195,389.10
  4. Step 4: Simplify right side
    348,316.92x = 93,920,188,469.99
  5. Step 5: Solve for x
    x = 93,920,188,469.99/348,316.92
  6. Step 6: Final answer
    x = 269,640.04

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1.5x scale

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.