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Finding the Fourth Proportional to 611,624.14, 844,051.78 and 335,993.64

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Solution

The fourth proportional to 611,624.14, 844,051.78 and 335,993.64 is: 463,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,624.14 : 844,051.78 = 335,993.64 : x
  2. Step 2: Convert to fraction form
    611,624.14/844,051.78 = 335,993.64/x
  3. Step 3: Cross multiply
    611,624.14x = 844,051.78 × 335,993.64
  4. Step 4: Simplify right side
    611,624.14x = 283,596,029,910.68
  5. Step 5: Solve for x
    x = 283,596,029,910.68/611,624.14
  6. Step 6: Final answer
    x = 463,676.97

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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.