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Finding the Fourth Proportional to 404,225.20, 606,289.20 and 167,543.20

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Solution

The fourth proportional to 404,225.20, 606,289.20 and 167,543.20 is: 251,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,225.20 : 606,289.20 = 167,543.20 : x
  2. Step 2: Convert to fraction form
    404,225.20/606,289.20 = 167,543.20/x
  3. Step 3: Cross multiply
    404,225.20x = 606,289.20 × 167,543.20
  4. Step 4: Simplify right side
    404,225.20x = 101,579,632,693.44
  5. Step 5: Solve for x
    x = 101,579,632,693.44/404,225.20
  6. Step 6: Final answer
    x = 251,294.66

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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.