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Finding the Fourth Proportional to 328,266.60, 453,007.80 and 177,363.60

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Solution

The fourth proportional to 328,266.60, 453,007.80 and 177,363.60 is: 244,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,266.60 : 453,007.80 = 177,363.60 : x
  2. Step 2: Convert to fraction form
    328,266.60/453,007.80 = 177,363.60/x
  3. Step 3: Cross multiply
    328,266.60x = 453,007.80 × 177,363.60
  4. Step 4: Simplify right side
    328,266.60x = 80,347,094,236.08
  5. Step 5: Solve for x
    x = 80,347,094,236.08/328,266.60
  6. Step 6: Final answer
    x = 244,761.71

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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.