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Finding the Fourth Proportional to 363,038.26, 500,921.04 and 219,811.54

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Solution

The fourth proportional to 363,038.26, 500,921.04 and 219,811.54 is: 303,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,038.26 : 500,921.04 = 219,811.54 : x
  2. Step 2: Convert to fraction form
    363,038.26/500,921.04 = 219,811.54/x
  3. Step 3: Cross multiply
    363,038.26x = 500,921.04 × 219,811.54
  4. Step 4: Simplify right side
    363,038.26x = 110,108,225,220.80
  5. Step 5: Solve for x
    x = 110,108,225,220.80/363,038.26
  6. Step 6: Final answer
    x = 303,296.48

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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.