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Finding the Fourth Proportional to 348,223.88, 480,648.61 and 205,066.97

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Solution

The fourth proportional to 348,223.88, 480,648.61 and 205,066.97 is: 283,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,223.88 : 480,648.61 = 205,066.97 : x
  2. Step 2: Convert to fraction form
    348,223.88/480,648.61 = 205,066.97/x
  3. Step 3: Cross multiply
    348,223.88x = 480,648.61 × 205,066.97
  4. Step 4: Simplify right side
    348,223.88x = 98,565,151,171.50
  5. Step 5: Solve for x
    x = 98,565,151,171.50/348,223.88
  6. Step 6: Final answer
    x = 283,051.09

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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.