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Finding the Fourth Proportional to 330,511.36, 456,114.36 and 179,608.36

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Solution

The fourth proportional to 330,511.36, 456,114.36 and 179,608.36 is: 247,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,511.36 : 456,114.36 = 179,608.36 : x
  2. Step 2: Convert to fraction form
    330,511.36/456,114.36 = 179,608.36/x
  3. Step 3: Cross multiply
    330,511.36x = 456,114.36 × 179,608.36
  4. Step 4: Simplify right side
    330,511.36x = 81,921,952,172.05
  5. Step 5: Solve for x
    x = 81,921,952,172.05/330,511.36
  6. Step 6: Final answer
    x = 247,864.26

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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.