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Finding the Fourth Proportional to 456,305.00, 684,405.20 and 119,378.16

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Solution

The fourth proportional to 456,305.00, 684,405.20 and 119,378.16 is: 179,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,305.00 : 684,405.20 = 119,378.16 : x
  2. Step 2: Convert to fraction form
    456,305.00/684,405.20 = 119,378.16/x
  3. Step 3: Cross multiply
    456,305.00x = 684,405.20 × 119,378.16
  4. Step 4: Simplify right side
    456,305.00x = 81,703,032,873.54
  5. Step 5: Solve for x
    x = 81,703,032,873.54/456,305.00
  6. Step 6: Final answer
    x = 179,053.56

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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.