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Finding the Fourth Proportional to 348,025.81, 480,288.79 and 195,066.80

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Solution

The fourth proportional to 348,025.81, 480,288.79 and 195,066.80 is: 269,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,025.81 : 480,288.79 = 195,066.80 : x
  2. Step 2: Convert to fraction form
    348,025.81/480,288.79 = 195,066.80/x
  3. Step 3: Cross multiply
    348,025.81x = 480,288.79 × 195,066.80
  4. Step 4: Simplify right side
    348,025.81x = 93,688,394,452.06
  5. Step 5: Solve for x
    x = 93,688,394,452.06/348,025.81
  6. Step 6: Final answer
    x = 269,199.56

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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.