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Finding the Fourth Proportional to 348,893.64, 481,536.06 and 205,645.32

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Solution

The fourth proportional to 348,893.64, 481,536.06 and 205,645.32 is: 283,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,893.64 : 481,536.06 = 205,645.32 : x
  2. Step 2: Convert to fraction form
    348,893.64/481,536.06 = 205,645.32/x
  3. Step 3: Cross multiply
    348,893.64x = 481,536.06 × 205,645.32
  4. Step 4: Simplify right side
    348,893.64x = 99,025,637,150.24
  5. Step 5: Solve for x
    x = 99,025,637,150.24/348,893.64
  6. Step 6: Final answer
    x = 283,827.58

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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.