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Finding the Fourth Proportional to 348,344.32, 480,817.20 and 227,504.38

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Solution

The fourth proportional to 348,344.32, 480,817.20 and 227,504.38 is: 314,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,344.32 : 480,817.20 = 227,504.38 : x
  2. Step 2: Convert to fraction form
    348,344.32/480,817.20 = 227,504.38/x
  3. Step 3: Cross multiply
    348,344.32x = 480,817.20 × 227,504.38
  4. Step 4: Simplify right side
    348,344.32x = 109,388,018,979.34
  5. Step 5: Solve for x
    x = 109,388,018,979.34/348,344.32
  6. Step 6: Final answer
    x = 314,022.69

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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.