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Finding the Fourth Proportional to 328,883.44, 453,860.60 and 177,980.48

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Solution

The fourth proportional to 328,883.44, 453,860.60 and 177,980.48 is: 245,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,883.44 : 453,860.60 = 177,980.48 : x
  2. Step 2: Convert to fraction form
    328,883.44/453,860.60 = 177,980.48/x
  3. Step 3: Cross multiply
    328,883.44x = 453,860.60 × 177,980.48
  4. Step 4: Simplify right side
    328,883.44x = 80,778,327,441.09
  5. Step 5: Solve for x
    x = 80,778,327,441.09/328,883.44
  6. Step 6: Final answer
    x = 245,613.85

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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.