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Finding the Fourth Proportional to 330,656.60, 456,310.62 and 179,756.84

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Solution

The fourth proportional to 330,656.60, 456,310.62 and 179,756.84 is: 248,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,656.60 : 456,310.62 = 179,756.84 : x
  2. Step 2: Convert to fraction form
    330,656.60/456,310.62 = 179,756.84/x
  3. Step 3: Cross multiply
    330,656.60x = 456,310.62 × 179,756.84
  4. Step 4: Simplify right side
    330,656.60x = 82,024,955,109.64
  5. Step 5: Solve for x
    x = 82,024,955,109.64/330,656.60
  6. Step 6: Final answer
    x = 248,066.89

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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.