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Finding the Fourth Proportional to 397,367.40, 595,590.30 and 160,554.60

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Solution

The fourth proportional to 397,367.40, 595,590.30 and 160,554.60 is: 240,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,367.40 : 595,590.30 = 160,554.60 : x
  2. Step 2: Convert to fraction form
    397,367.40/595,590.30 = 160,554.60/x
  3. Step 3: Cross multiply
    397,367.40x = 595,590.30 × 160,554.60
  4. Step 4: Simplify right side
    397,367.40x = 95,624,762,380.38
  5. Step 5: Solve for x
    x = 95,624,762,380.38/397,367.40
  6. Step 6: Final answer
    x = 240,645.72

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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.