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Finding the Fourth Proportional to 469,650.28, 704,498.46 and 189,129.64

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Solution

The fourth proportional to 469,650.28, 704,498.46 and 189,129.64 is: 283,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,650.28 : 704,498.46 = 189,129.64 : x
  2. Step 2: Convert to fraction form
    469,650.28/704,498.46 = 189,129.64/x
  3. Step 3: Cross multiply
    469,650.28x = 704,498.46 × 189,129.64
  4. Step 4: Simplify right side
    469,650.28x = 133,241,540,120.35
  5. Step 5: Solve for x
    x = 133,241,540,120.35/469,650.28
  6. Step 6: Final answer
    x = 283,703.74

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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.