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Finding the Fourth Proportional to 330,667.89, 456,325.33 and 179,764.89

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Solution

The fourth proportional to 330,667.89, 456,325.33 and 179,764.89 is: 248,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,667.89 : 456,325.33 = 179,764.89 : x
  2. Step 2: Convert to fraction form
    330,667.89/456,325.33 = 179,764.89/x
  3. Step 3: Cross multiply
    330,667.89x = 456,325.33 × 179,764.89
  4. Step 4: Simplify right side
    330,667.89x = 82,031,272,751.66
  5. Step 5: Solve for x
    x = 82,031,272,751.66/330,667.89
  6. Step 6: Final answer
    x = 248,077.53

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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.