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Finding the Fourth Proportional to 451,778.51, 677,995.52 and 364,090.75

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Solution

The fourth proportional to 451,778.51, 677,995.52 and 364,090.75 is: 546,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,778.51 : 677,995.52 = 364,090.75 : x
  2. Step 2: Convert to fraction form
    451,778.51/677,995.52 = 364,090.75/x
  3. Step 3: Cross multiply
    451,778.51x = 677,995.52 × 364,090.75
  4. Step 4: Simplify right side
    451,778.51x = 246,851,893,858.00
  5. Step 5: Solve for x
    x = 246,851,893,858.00/451,778.51
  6. Step 6: Final answer
    x = 546,400.25

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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.