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Finding the Fourth Proportional to 348,485.34, 481,004.66 and 205,291.92

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Solution

The fourth proportional to 348,485.34, 481,004.66 and 205,291.92 is: 283,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,485.34 : 481,004.66 = 205,291.92 : x
  2. Step 2: Convert to fraction form
    348,485.34/481,004.66 = 205,291.92/x
  3. Step 3: Cross multiply
    348,485.34x = 481,004.66 × 205,291.92
  4. Step 4: Simplify right side
    348,485.34x = 98,746,370,180.35
  5. Step 5: Solve for x
    x = 98,746,370,180.35/348,485.34
  6. Step 6: Final answer
    x = 283,358.75

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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.