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Finding the Fourth Proportional to 343,650.50, 474,214.89 and 190,679.00

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Solution

The fourth proportional to 343,650.50, 474,214.89 and 190,679.00 is: 263,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,650.50 : 474,214.89 = 190,679.00 : x
  2. Step 2: Convert to fraction form
    343,650.50/474,214.89 = 190,679.00/x
  3. Step 3: Cross multiply
    343,650.50x = 474,214.89 × 190,679.00
  4. Step 4: Simplify right side
    343,650.50x = 90,422,818,639.24
  5. Step 5: Solve for x
    x = 90,422,818,639.24/343,650.50
  6. Step 6: Final answer
    x = 263,124.37

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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.