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Finding the Fourth Proportional to 316,295.44, 436,483.82 and 173,053.42

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Solution

The fourth proportional to 316,295.44, 436,483.82 and 173,053.42 is: 238,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,295.44 : 436,483.82 = 173,053.42 : x
  2. Step 2: Convert to fraction form
    316,295.44/436,483.82 = 173,053.42/x
  3. Step 3: Cross multiply
    316,295.44x = 436,483.82 × 173,053.42
  4. Step 4: Simplify right side
    316,295.44x = 75,535,017,825.66
  5. Step 5: Solve for x
    x = 75,535,017,825.66/316,295.44
  6. Step 6: Final answer
    x = 238,811.59

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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.