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Finding the Fourth Proportional to 508,407.52, 701,635.62 and 293,556.64

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Solution

The fourth proportional to 508,407.52, 701,635.62 and 293,556.64 is: 405,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,407.52 : 701,635.62 = 293,556.64 : x
  2. Step 2: Convert to fraction form
    508,407.52/701,635.62 = 293,556.64/x
  3. Step 3: Cross multiply
    508,407.52x = 701,635.62 × 293,556.64
  4. Step 4: Simplify right side
    508,407.52x = 205,969,795,111.52
  5. Step 5: Solve for x
    x = 205,969,795,111.52/508,407.52
  6. Step 6: Final answer
    x = 405,127.36

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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.