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Finding the Fourth Proportional to 311,420.55, 467,032.41 and 111,736.47

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Solution

The fourth proportional to 311,420.55, 467,032.41 and 111,736.47 is: 167,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,420.55 : 467,032.41 = 111,736.47 : x
  2. Step 2: Convert to fraction form
    311,420.55/467,032.41 = 111,736.47/x
  3. Step 3: Cross multiply
    311,420.55x = 467,032.41 × 111,736.47
  4. Step 4: Simplify right side
    311,420.55x = 52,184,552,868.99
  5. Step 5: Solve for x
    x = 52,184,552,868.99/311,420.55
  6. Step 6: Final answer
    x = 167,569.39

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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.