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Finding the Fourth Proportional to 330,458.56, 456,036.96 and 179,558.08

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Solution

The fourth proportional to 330,458.56, 456,036.96 and 179,558.08 is: 247,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,458.56 : 456,036.96 = 179,558.08 : x
  2. Step 2: Convert to fraction form
    330,458.56/456,036.96 = 179,558.08/x
  3. Step 3: Cross multiply
    330,458.56x = 456,036.96 × 179,558.08
  4. Step 4: Simplify right side
    330,458.56x = 81,885,120,946.64
  5. Step 5: Solve for x
    x = 81,885,120,946.64/330,458.56
  6. Step 6: Final answer
    x = 247,792.40

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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.