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Finding the Fourth Proportional to 348,992.91, 523,492.09 and 191,135.25

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Solution

The fourth proportional to 348,992.91, 523,492.09 and 191,135.25 is: 286,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,992.91 : 523,492.09 = 191,135.25 : x
  2. Step 2: Convert to fraction form
    348,992.91/523,492.09 = 191,135.25/x
  3. Step 3: Cross multiply
    348,992.91x = 523,492.09 × 191,135.25
  4. Step 4: Simplify right side
    348,992.91x = 100,057,791,017.33
  5. Step 5: Solve for x
    x = 100,057,791,017.33/348,992.91
  6. Step 6: Final answer
    x = 286,704.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.