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Finding the Fourth Proportional to 328,330.70, 453,096.36 and 177,427.70

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Solution

The fourth proportional to 328,330.70, 453,096.36 and 177,427.70 is: 244,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,330.70 : 453,096.36 = 177,427.70 : x
  2. Step 2: Convert to fraction form
    328,330.70/453,096.36 = 177,427.70/x
  3. Step 3: Cross multiply
    328,330.70x = 453,096.36 × 177,427.70
  4. Step 4: Simplify right side
    328,330.70x = 80,391,845,033.17
  5. Step 5: Solve for x
    x = 80,391,845,033.17/328,330.70
  6. Step 6: Final answer
    x = 244,850.22

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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.