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Finding the Fourth Proportional to 338,469.89, 466,104.12 and 316,833.63

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Solution

The fourth proportional to 338,469.89, 466,104.12 and 316,833.63 is: 436,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,469.89 : 466,104.12 = 316,833.63 : x
  2. Step 2: Convert to fraction form
    338,469.89/466,104.12 = 316,833.63/x
  3. Step 3: Cross multiply
    338,469.89x = 466,104.12 × 316,833.63
  4. Step 4: Simplify right side
    338,469.89x = 147,677,459,143.73
  5. Step 5: Solve for x
    x = 147,677,459,143.73/338,469.89
  6. Step 6: Final answer
    x = 436,309.00

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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.