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Finding the Fourth Proportional to 397,245, 595,679.92 and 144,347.04

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Solution

The fourth proportional to 397,245, 595,679.92 and 144,347.04 is: 216,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,245 : 595,679.92 = 144,347.04 : x
  2. Step 2: Convert to fraction form
    397,245/595,679.92 = 144,347.04/x
  3. Step 3: Cross multiply
    397,245x = 595,679.92 × 144,347.04
  4. Step 4: Simplify right side
    397,245x = 85,984,633,239.44
  5. Step 5: Solve for x
    x = 85,984,633,239.44/397,245
  6. Step 6: Final answer
    x = 216,452.40

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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.