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Finding the Fourth Proportional to 397,189.57, 595,597.11 and 144,291.73

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Solution

The fourth proportional to 397,189.57, 595,597.11 and 144,291.73 is: 216,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,189.57 : 595,597.11 = 144,291.73 : x
  2. Step 2: Convert to fraction form
    397,189.57/595,597.11 = 144,291.73/x
  3. Step 3: Cross multiply
    397,189.57x = 595,597.11 × 144,291.73
  4. Step 4: Simplify right side
    397,189.57x = 85,939,737,384.90
  5. Step 5: Solve for x
    x = 85,939,737,384.90/397,189.57
  6. Step 6: Final answer
    x = 216,369.57

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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.