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Finding the Fourth Proportional to 367,004.05, 550,506.08 and 311,016.85

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Solution

The fourth proportional to 367,004.05, 550,506.08 and 311,016.85 is: 466,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,004.05 : 550,506.08 = 311,016.85 : x
  2. Step 2: Convert to fraction form
    367,004.05/550,506.08 = 311,016.85/x
  3. Step 3: Cross multiply
    367,004.05x = 550,506.08 × 311,016.85
  4. Step 4: Simplify right side
    367,004.05x = 171,216,666,907.45
  5. Step 5: Solve for x
    x = 171,216,666,907.45/367,004.05
  6. Step 6: Final answer
    x = 466,525.28

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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.