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Finding the Fourth Proportional to 404,367.72, 606,668.22 and 167,666.28

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Solution

The fourth proportional to 404,367.72, 606,668.22 and 167,666.28 is: 251,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,367.72 : 606,668.22 = 167,666.28 : x
  2. Step 2: Convert to fraction form
    404,367.72/606,668.22 = 167,666.28/x
  3. Step 3: Cross multiply
    404,367.72x = 606,668.22 × 167,666.28
  4. Step 4: Simplify right side
    404,367.72x = 101,717,803,641.62
  5. Step 5: Solve for x
    x = 101,717,803,641.62/404,367.72
  6. Step 6: Final answer
    x = 251,547.78

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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.