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Finding the Fourth Proportional to 328,662.69, 453,554.54 and 177,759.69

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Solution

The fourth proportional to 328,662.69, 453,554.54 and 177,759.69 is: 245,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,662.69 : 453,554.54 = 177,759.69 : x
  2. Step 2: Convert to fraction form
    328,662.69/453,554.54 = 177,759.69/x
  3. Step 3: Cross multiply
    328,662.69x = 453,554.54 × 177,759.69
  4. Step 4: Simplify right side
    328,662.69x = 80,623,713,739.01
  5. Step 5: Solve for x
    x = 80,623,713,739.01/328,662.69
  6. Step 6: Final answer
    x = 245,308.39

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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.