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Finding the Fourth Proportional to 331,066.56, 456,873.84 and 180,164.64

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Solution

The fourth proportional to 331,066.56, 456,873.84 and 180,164.64 is: 248,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,066.56 : 456,873.84 = 180,164.64 : x
  2. Step 2: Convert to fraction form
    331,066.56/456,873.84 = 180,164.64/x
  3. Step 3: Cross multiply
    331,066.56x = 456,873.84 × 180,164.64
  4. Step 4: Simplify right side
    331,066.56x = 82,312,510,909.02
  5. Step 5: Solve for x
    x = 82,312,510,909.02/331,066.56
  6. Step 6: Final answer
    x = 248,628.28

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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.