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Finding the Fourth Proportional to 330,612.17, 456,244.65 and 179,709.17

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Solution

The fourth proportional to 330,612.17, 456,244.65 and 179,709.17 is: 247,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,612.17 : 456,244.65 = 179,709.17 : x
  2. Step 2: Convert to fraction form
    330,612.17/456,244.65 = 179,709.17/x
  3. Step 3: Cross multiply
    330,612.17x = 456,244.65 × 179,709.17
  4. Step 4: Simplify right side
    330,612.17x = 81,991,345,087.22
  5. Step 5: Solve for x
    x = 81,991,345,087.22/330,612.17
  6. Step 6: Final answer
    x = 247,998.57

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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.