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Finding the Fourth Proportional to 348,785.76, 481,340.16 and 205,551.84

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Solution

The fourth proportional to 348,785.76, 481,340.16 and 205,551.84 is: 283,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,785.76 : 481,340.16 = 205,551.84 : x
  2. Step 2: Convert to fraction form
    348,785.76/481,340.16 = 205,551.84/x
  3. Step 3: Cross multiply
    348,785.76x = 481,340.16 × 205,551.84
  4. Step 4: Simplify right side
    348,785.76x = 98,940,355,553.89
  5. Step 5: Solve for x
    x = 98,940,355,553.89/348,785.76
  6. Step 6: Final answer
    x = 283,670.86

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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.