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Finding the Fourth Proportional to 328,673.56, 453,569.55 and 177,770.56

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Solution

The fourth proportional to 328,673.56, 453,569.55 and 177,770.56 is: 245,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,673.56 : 453,569.55 = 177,770.56 : x
  2. Step 2: Convert to fraction form
    328,673.56/453,569.55 = 177,770.56/x
  3. Step 3: Cross multiply
    328,673.56x = 453,569.55 × 177,770.56
  4. Step 4: Simplify right side
    328,673.56x = 80,631,312,902.45
  5. Step 5: Solve for x
    x = 80,631,312,902.45/328,673.56
  6. Step 6: Final answer
    x = 245,323.39

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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.