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Finding the Fourth Proportional to 316,267.54, 436,454.12 and 173,029.97

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Solution

The fourth proportional to 316,267.54, 436,454.12 and 173,029.97 is: 238,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,267.54 : 436,454.12 = 173,029.97 : x
  2. Step 2: Convert to fraction form
    316,267.54/436,454.12 = 173,029.97/x
  3. Step 3: Cross multiply
    316,267.54x = 436,454.12 × 173,029.97
  4. Step 4: Simplify right side
    316,267.54x = 75,519,644,813.69
  5. Step 5: Solve for x
    x = 75,519,644,813.69/316,267.54
  6. Step 6: Final answer
    x = 238,784.05

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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.