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Finding the Fourth Proportional to 328,805.39, 453,751.41 and 177,902.39

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Solution

The fourth proportional to 328,805.39, 453,751.41 and 177,902.39 is: 245,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,805.39 : 453,751.41 = 177,902.39 : x
  2. Step 2: Convert to fraction form
    328,805.39/453,751.41 = 177,902.39/x
  3. Step 3: Cross multiply
    328,805.39x = 453,751.41 × 177,902.39
  4. Step 4: Simplify right side
    328,805.39x = 80,723,460,304.87
  5. Step 5: Solve for x
    x = 80,723,460,304.87/328,805.39
  6. Step 6: Final answer
    x = 245,505.28

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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.