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Finding the Fourth Proportional to 330,659.60, 456,314.76 and 179,759.84

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Solution

The fourth proportional to 330,659.60, 456,314.76 and 179,759.84 is: 248,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,659.60 : 456,314.76 = 179,759.84 : x
  2. Step 2: Convert to fraction form
    330,659.60/456,314.76 = 179,759.84/x
  3. Step 3: Cross multiply
    330,659.60x = 456,314.76 × 179,759.84
  4. Step 4: Simplify right side
    330,659.60x = 82,027,068,247.24
  5. Step 5: Solve for x
    x = 82,027,068,247.24/330,659.60
  6. Step 6: Final answer
    x = 248,071.03

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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.