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Finding the Fourth Proportional to 328,673.58, 453,569.56 and 177,770.58

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Solution

The fourth proportional to 328,673.58, 453,569.56 and 177,770.58 is: 245,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,673.58 : 453,569.56 = 177,770.58 : x
  2. Step 2: Convert to fraction form
    328,673.58/453,569.56 = 177,770.58/x
  3. Step 3: Cross multiply
    328,673.58x = 453,569.56 × 177,770.58
  4. Step 4: Simplify right side
    328,673.58x = 80,631,323,751.54
  5. Step 5: Solve for x
    x = 80,631,323,751.54/328,673.58
  6. Step 6: Final answer
    x = 245,323.41

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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.