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Finding the Fourth Proportional to 395,610.08, 545,942.48 and 234,544

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Solution

The fourth proportional to 395,610.08, 545,942.48 and 234,544 is: 323,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,610.08 : 545,942.48 = 234,544 : x
  2. Step 2: Convert to fraction form
    395,610.08/545,942.48 = 234,544/x
  3. Step 3: Cross multiply
    395,610.08x = 545,942.48 × 234,544
  4. Step 4: Simplify right side
    395,610.08x = 128,047,533,029.12
  5. Step 5: Solve for x
    x = 128,047,533,029.12/395,610.08
  6. Step 6: Final answer
    x = 323,671.06

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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.