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Finding the Fourth Proportional to 613,161.36, 919,880.46 and 186,735.36

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Solution

The fourth proportional to 613,161.36, 919,880.46 and 186,735.36 is: 280,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,161.36 : 919,880.46 = 186,735.36 : x
  2. Step 2: Convert to fraction form
    613,161.36/919,880.46 = 186,735.36/x
  3. Step 3: Cross multiply
    613,161.36x = 919,880.46 × 186,735.36
  4. Step 4: Simplify right side
    613,161.36x = 171,774,208,855.07
  5. Step 5: Solve for x
    x = 171,774,208,855.07/613,161.36
  6. Step 6: Final answer
    x = 280,145.20

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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.