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Finding the Fourth Proportional to 373,810.60, 515,858.48 and 204,044.72

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Solution

The fourth proportional to 373,810.60, 515,858.48 and 204,044.72 is: 281,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,810.60 : 515,858.48 = 204,044.72 : x
  2. Step 2: Convert to fraction form
    373,810.60/515,858.48 = 204,044.72/x
  3. Step 3: Cross multiply
    373,810.60x = 515,858.48 × 204,044.72
  4. Step 4: Simplify right side
    373,810.60x = 105,258,199,111.23
  5. Step 5: Solve for x
    x = 105,258,199,111.23/373,810.60
  6. Step 6: Final answer
    x = 281,581.63

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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.