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Finding the Fourth Proportional to 469,219.92, 703,928.31 and 203,018.28

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Solution

The fourth proportional to 469,219.92, 703,928.31 and 203,018.28 is: 304,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,219.92 : 703,928.31 = 203,018.28 : x
  2. Step 2: Convert to fraction form
    469,219.92/703,928.31 = 203,018.28/x
  3. Step 3: Cross multiply
    469,219.92x = 703,928.31 × 203,018.28
  4. Step 4: Simplify right side
    469,219.92x = 142,910,314,739.51
  5. Step 5: Solve for x
    x = 142,910,314,739.51/469,219.92
  6. Step 6: Final answer
    x = 304,570.01

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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.