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Finding the Fourth Proportional to 367,053.80, 550,580.73 and 311,066.60

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Solution

The fourth proportional to 367,053.80, 550,580.73 and 311,066.60 is: 466,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,053.80 : 550,580.73 = 311,066.60 : x
  2. Step 2: Convert to fraction form
    367,053.80/550,580.73 = 311,066.60/x
  3. Step 3: Cross multiply
    367,053.80x = 550,580.73 × 311,066.60
  4. Step 4: Simplify right side
    367,053.80x = 171,267,275,706.62
  5. Step 5: Solve for x
    x = 171,267,275,706.62/367,053.80
  6. Step 6: Final answer
    x = 466,599.93

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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.