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Finding the Fourth Proportional to 323,025.40, 445,783.80 and 179,801.20

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Solution

The fourth proportional to 323,025.40, 445,783.80 and 179,801.20 is: 248,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,025.40 : 445,783.80 = 179,801.20 : x
  2. Step 2: Convert to fraction form
    323,025.40/445,783.80 = 179,801.20/x
  3. Step 3: Cross multiply
    323,025.40x = 445,783.80 × 179,801.20
  4. Step 4: Simplify right side
    323,025.40x = 80,152,462,180.56
  5. Step 5: Solve for x
    x = 80,152,462,180.56/323,025.40
  6. Step 6: Final answer
    x = 248,130.53

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1.5x scale

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.