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Finding the Fourth Proportional to 363,432.52, 501,483.03 and 218,207.62

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Solution

The fourth proportional to 363,432.52, 501,483.03 and 218,207.62 is: 301,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,432.52 : 501,483.03 = 218,207.62 : x
  2. Step 2: Convert to fraction form
    363,432.52/501,483.03 = 218,207.62/x
  3. Step 3: Cross multiply
    363,432.52x = 501,483.03 × 218,207.62
  4. Step 4: Simplify right side
    363,432.52x = 109,427,415,939.27
  5. Step 5: Solve for x
    x = 109,427,415,939.27/363,432.52
  6. Step 6: Final answer
    x = 301,094.18

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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.