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Finding the Fourth Proportional to 613,329.05, 919,993.29 and 164,038.25

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Solution

The fourth proportional to 613,329.05, 919,993.29 and 164,038.25 is: 246,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,329.05 : 919,993.29 = 164,038.25 : x
  2. Step 2: Convert to fraction form
    613,329.05/919,993.29 = 164,038.25/x
  3. Step 3: Cross multiply
    613,329.05x = 919,993.29 × 164,038.25
  4. Step 4: Simplify right side
    613,329.05x = 150,914,084,703.38
  5. Step 5: Solve for x
    x = 150,914,084,703.38/613,329.05
  6. Step 6: Final answer
    x = 246,057.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.