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Finding the Fourth Proportional to 300,148.24, 450,223.02 and 122,655.24

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Solution

The fourth proportional to 300,148.24, 450,223.02 and 122,655.24 is: 183,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,148.24 : 450,223.02 = 122,655.24 : x
  2. Step 2: Convert to fraction form
    300,148.24/450,223.02 = 122,655.24/x
  3. Step 3: Cross multiply
    300,148.24x = 450,223.02 × 122,655.24
  4. Step 4: Simplify right side
    300,148.24x = 55,222,212,571.62
  5. Step 5: Solve for x
    x = 55,222,212,571.62/300,148.24
  6. Step 6: Final answer
    x = 183,983.13

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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.