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Finding the Fourth Proportional to 324,855.56, 448,356.03 and 188,968.30

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Solution

The fourth proportional to 324,855.56, 448,356.03 and 188,968.30 is: 260,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,855.56 : 448,356.03 = 188,968.30 : x
  2. Step 2: Convert to fraction form
    324,855.56/448,356.03 = 188,968.30/x
  3. Step 3: Cross multiply
    324,855.56x = 448,356.03 × 188,968.30
  4. Step 4: Simplify right side
    324,855.56x = 84,725,076,783.85
  5. Step 5: Solve for x
    x = 84,725,076,783.85/324,855.56
  6. Step 6: Final answer
    x = 260,808.46

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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.