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Finding the Fourth Proportional to 316,333.62, 436,540.38 and 173,093.67

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Solution

The fourth proportional to 316,333.62, 436,540.38 and 173,093.67 is: 238,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,333.62 : 436,540.38 = 173,093.67 : x
  2. Step 2: Convert to fraction form
    316,333.62/436,540.38 = 173,093.67/x
  3. Step 3: Cross multiply
    316,333.62x = 436,540.38 × 173,093.67
  4. Step 4: Simplify right side
    316,333.62x = 75,562,376,477.39
  5. Step 5: Solve for x
    x = 75,562,376,477.39/316,333.62
  6. Step 6: Final answer
    x = 238,869.26

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1.5x scale

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.