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Finding the Fourth Proportional to 335,011.70, 462,333.84 and 189,845.60

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Solution

The fourth proportional to 335,011.70, 462,333.84 and 189,845.60 is: 261,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,011.70 : 462,333.84 = 189,845.60 : x
  2. Step 2: Convert to fraction form
    335,011.70/462,333.84 = 189,845.60/x
  3. Step 3: Cross multiply
    335,011.70x = 462,333.84 × 189,845.60
  4. Step 4: Simplify right side
    335,011.70x = 87,772,045,255.10
  5. Step 5: Solve for x
    x = 87,772,045,255.10/335,011.70
  6. Step 6: Final answer
    x = 261,996.95

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1.5x scale

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.