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Finding the Fourth Proportional to 330,441.69, 456,010.75 and 179,538.69

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Solution

The fourth proportional to 330,441.69, 456,010.75 and 179,538.69 is: 247,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,441.69 : 456,010.75 = 179,538.69 : x
  2. Step 2: Convert to fraction form
    330,441.69/456,010.75 = 179,538.69/x
  3. Step 3: Cross multiply
    330,441.69x = 456,010.75 × 179,538.69
  4. Step 4: Simplify right side
    330,441.69x = 81,871,571,783.22
  5. Step 5: Solve for x
    x = 81,871,571,783.22/330,441.69
  6. Step 6: Final answer
    x = 247,764.05

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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.