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Finding the Fourth Proportional to 348,717.48, 481,106.34 and 227,928.48

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Solution

The fourth proportional to 348,717.48, 481,106.34 and 227,928.48 is: 314,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,717.48 : 481,106.34 = 227,928.48 : x
  2. Step 2: Convert to fraction form
    348,717.48/481,106.34 = 227,928.48/x
  3. Step 3: Cross multiply
    348,717.48x = 481,106.34 × 227,928.48
  4. Step 4: Simplify right side
    348,717.48x = 109,657,836,794.56
  5. Step 5: Solve for x
    x = 109,657,836,794.56/348,717.48
  6. Step 6: Final answer
    x = 314,460.40

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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.