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Finding the Fourth Proportional to 330,692.54, 456,353.44 and 179,789.54

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Solution

The fourth proportional to 330,692.54, 456,353.44 and 179,789.54 is: 248,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,692.54 : 456,353.44 = 179,789.54 : x
  2. Step 2: Convert to fraction form
    330,692.54/456,353.44 = 179,789.54/x
  3. Step 3: Cross multiply
    330,692.54x = 456,353.44 × 179,789.54
  4. Step 4: Simplify right side
    330,692.54x = 82,047,575,055.02
  5. Step 5: Solve for x
    x = 82,047,575,055.02/330,692.54
  6. Step 6: Final answer
    x = 248,108.33

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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.