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Finding the Fourth Proportional to 402,852.08, 555,939.55 and 219,092.34

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Solution

The fourth proportional to 402,852.08, 555,939.55 and 219,092.34 is: 302,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,852.08 : 555,939.55 = 219,092.34 : x
  2. Step 2: Convert to fraction form
    402,852.08/555,939.55 = 219,092.34/x
  3. Step 3: Cross multiply
    402,852.08x = 555,939.55 × 219,092.34
  4. Step 4: Simplify right side
    402,852.08x = 121,802,099,266.69
  5. Step 5: Solve for x
    x = 121,802,099,266.69/402,852.08
  6. Step 6: Final answer
    x = 302,349.43

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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.