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Finding the Fourth Proportional to 311,866.69, 467,850.53 and 122,224.25

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Solution

The fourth proportional to 311,866.69, 467,850.53 and 122,224.25 is: 183,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,866.69 : 467,850.53 = 122,224.25 : x
  2. Step 2: Convert to fraction form
    311,866.69/467,850.53 = 122,224.25/x
  3. Step 3: Cross multiply
    311,866.69x = 467,850.53 × 122,224.25
  4. Step 4: Simplify right side
    311,866.69x = 57,182,679,530.23
  5. Step 5: Solve for x
    x = 57,182,679,530.23/311,866.69
  6. Step 6: Final answer
    x = 183,356.16

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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.