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Finding the Fourth Proportional to 294,782.22, 406,810.35 and 167,479.38

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Solution

The fourth proportional to 294,782.22, 406,810.35 and 167,479.38 is: 231,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,782.22 : 406,810.35 = 167,479.38 : x
  2. Step 2: Convert to fraction form
    294,782.22/406,810.35 = 167,479.38/x
  3. Step 3: Cross multiply
    294,782.22x = 406,810.35 × 167,479.38
  4. Step 4: Simplify right side
    294,782.22x = 68,132,345,195.58
  5. Step 5: Solve for x
    x = 68,132,345,195.58/294,782.22
  6. Step 6: Final answer
    x = 231,127.73

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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.