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Finding the Fourth Proportional to 351,969.94, 486,119.46 and 238,595.86

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Solution

The fourth proportional to 351,969.94, 486,119.46 and 238,595.86 is: 329,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,969.94 : 486,119.46 = 238,595.86 : x
  2. Step 2: Convert to fraction form
    351,969.94/486,119.46 = 238,595.86/x
  3. Step 3: Cross multiply
    351,969.94x = 486,119.46 × 238,595.86
  4. Step 4: Simplify right side
    351,969.94x = 115,986,090,621.44
  5. Step 5: Solve for x
    x = 115,986,090,621.44/351,969.94
  6. Step 6: Final answer
    x = 329,534.08

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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.