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Finding the Fourth Proportional to 323,037.64, 445,796.16 and 177,860.30

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Solution

The fourth proportional to 323,037.64, 445,796.16 and 177,860.30 is: 245,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,037.64 : 445,796.16 = 177,860.30 : x
  2. Step 2: Convert to fraction form
    323,037.64/445,796.16 = 177,860.30/x
  3. Step 3: Cross multiply
    323,037.64x = 445,796.16 × 177,860.30
  4. Step 4: Simplify right side
    323,037.64x = 79,289,438,756.45
  5. Step 5: Solve for x
    x = 79,289,438,756.45/323,037.64
  6. Step 6: Final answer
    x = 245,449.54

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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.