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Finding the Fourth Proportional to 613,330.55, 919,995.55 and 164,039.75

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Solution

The fourth proportional to 613,330.55, 919,995.55 and 164,039.75 is: 246,059.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,330.55 : 919,995.55 = 164,039.75 : x
  2. Step 2: Convert to fraction form
    613,330.55/919,995.55 = 164,039.75/x
  3. Step 3: Cross multiply
    613,330.55x = 919,995.55 × 164,039.75
  4. Step 4: Simplify right side
    613,330.55x = 150,915,840,023.11
  5. Step 5: Solve for x
    x = 150,915,840,023.11/613,330.55
  6. Step 6: Final answer
    x = 246,059.55

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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.