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Finding the Fourth Proportional to 367,009.55, 550,514.33 and 311,022.35

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Solution

The fourth proportional to 367,009.55, 550,514.33 and 311,022.35 is: 466,533.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009.55 : 550,514.33 = 311,022.35 : x
  2. Step 2: Convert to fraction form
    367,009.55/550,514.33 = 311,022.35/x
  3. Step 3: Cross multiply
    367,009.55x = 550,514.33 × 311,022.35
  4. Step 4: Simplify right side
    367,009.55x = 171,222,260,625.28
  5. Step 5: Solve for x
    x = 171,222,260,625.28/367,009.55
  6. Step 6: Final answer
    x = 466,533.53

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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.