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Finding the Fourth Proportional to 348,395.48, 480,790.98 and 195,467.48

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Solution

The fourth proportional to 348,395.48, 480,790.98 and 195,467.48 is: 269,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,395.48 : 480,790.98 = 195,467.48 : x
  2. Step 2: Convert to fraction form
    348,395.48/480,790.98 = 195,467.48/x
  3. Step 3: Cross multiply
    348,395.48x = 480,790.98 × 195,467.48
  4. Step 4: Simplify right side
    348,395.48x = 93,978,998,863.38
  5. Step 5: Solve for x
    x = 93,978,998,863.38/348,395.48
  6. Step 6: Final answer
    x = 269,748.05

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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.