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Finding the Fourth Proportional to 346,180.80, 518,979.60 and 179,968.80

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Solution

The fourth proportional to 346,180.80, 518,979.60 and 179,968.80 is: 269,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,180.80 : 518,979.60 = 179,968.80 : x
  2. Step 2: Convert to fraction form
    346,180.80/518,979.60 = 179,968.80/x
  3. Step 3: Cross multiply
    346,180.80x = 518,979.60 × 179,968.80
  4. Step 4: Simplify right side
    346,180.80x = 93,400,135,836.48
  5. Step 5: Solve for x
    x = 93,400,135,836.48/346,180.80
  6. Step 6: Final answer
    x = 269,801.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.