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Finding the Fourth Proportional to 294,680.33, 406,712.03 and 173,814.42

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Solution

The fourth proportional to 294,680.33, 406,712.03 and 173,814.42 is: 239,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,680.33 : 406,712.03 = 173,814.42 : x
  2. Step 2: Convert to fraction form
    294,680.33/406,712.03 = 173,814.42/x
  3. Step 3: Cross multiply
    294,680.33x = 406,712.03 × 173,814.42
  4. Step 4: Simplify right side
    294,680.33x = 70,692,415,601.47
  5. Step 5: Solve for x
    x = 70,692,415,601.47/294,680.33
  6. Step 6: Final answer
    x = 239,895.26

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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.