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Finding the Fourth Proportional to 348,078.06, 480,323.52 and 204,807.69

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Solution

The fourth proportional to 348,078.06, 480,323.52 and 204,807.69 is: 282,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,078.06 : 480,323.52 = 204,807.69 : x
  2. Step 2: Convert to fraction form
    348,078.06/480,323.52 = 204,807.69/x
  3. Step 3: Cross multiply
    348,078.06x = 480,323.52 × 204,807.69
  4. Step 4: Simplify right side
    348,078.06x = 98,373,950,583.87
  5. Step 5: Solve for x
    x = 98,373,950,583.87/348,078.06
  6. Step 6: Final answer
    x = 282,620.37

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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.