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Finding the Fourth Proportional to 295,973.20, 443,959.80 and 273,163.60

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Solution

The fourth proportional to 295,973.20, 443,959.80 and 273,163.60 is: 409,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,973.20 : 443,959.80 = 273,163.60 : x
  2. Step 2: Convert to fraction form
    295,973.20/443,959.80 = 273,163.60/x
  3. Step 3: Cross multiply
    295,973.20x = 443,959.80 × 273,163.60
  4. Step 4: Simplify right side
    295,973.20x = 121,273,657,223.28
  5. Step 5: Solve for x
    x = 121,273,657,223.28/295,973.20
  6. Step 6: Final answer
    x = 409,745.40

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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.