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Finding the Fourth Proportional to 353,851.60, 488,415.56 and 233,081.04

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Solution

The fourth proportional to 353,851.60, 488,415.56 and 233,081.04 is: 321,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,851.60 : 488,415.56 = 233,081.04 : x
  2. Step 2: Convert to fraction form
    353,851.60/488,415.56 = 233,081.04/x
  3. Step 3: Cross multiply
    353,851.60x = 488,415.56 × 233,081.04
  4. Step 4: Simplify right side
    353,851.60x = 113,840,406,676.98
  5. Step 5: Solve for x
    x = 113,840,406,676.98/353,851.60
  6. Step 6: Final answer
    x = 321,717.94

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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.