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Finding the Fourth Proportional to 350,340, 483,471.12 and 191,364

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Solution

The fourth proportional to 350,340, 483,471.12 and 191,364 is: 264,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,340 : 483,471.12 = 191,364 : x
  2. Step 2: Convert to fraction form
    350,340/483,471.12 = 191,364/x
  3. Step 3: Cross multiply
    350,340x = 483,471.12 × 191,364
  4. Step 4: Simplify right side
    350,340x = 92,518,967,407.68
  5. Step 5: Solve for x
    x = 92,518,967,407.68/350,340
  6. Step 6: Final answer
    x = 264,083.37

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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.