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Finding the Fourth Proportional to 350,651.61, 483,785.28 and 214,543.67

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Solution

The fourth proportional to 350,651.61, 483,785.28 and 214,543.67 is: 296,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,651.61 : 483,785.28 = 214,543.67 : x
  2. Step 2: Convert to fraction form
    350,651.61/483,785.28 = 214,543.67/x
  3. Step 3: Cross multiply
    350,651.61x = 483,785.28 × 214,543.67
  4. Step 4: Simplify right side
    350,651.61x = 103,793,067,044.25
  5. Step 5: Solve for x
    x = 103,793,067,044.25/350,651.61
  6. Step 6: Final answer
    x = 296,000.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.