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Finding the Fourth Proportional to 350,232, 483,320.16 and 191,256

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Solution

The fourth proportional to 350,232, 483,320.16 and 191,256 is: 263,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,232 : 483,320.16 = 191,256 : x
  2. Step 2: Convert to fraction form
    350,232/483,320.16 = 191,256/x
  3. Step 3: Cross multiply
    350,232x = 483,320.16 × 191,256
  4. Step 4: Simplify right side
    350,232x = 92,437,880,520.96
  5. Step 5: Solve for x
    x = 92,437,880,520.96/350,232
  6. Step 6: Final answer
    x = 263,933.28

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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.