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Finding the Fourth Proportional to 344,211.94, 475,080.81 and 219,953.49

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Solution

The fourth proportional to 344,211.94, 475,080.81 and 219,953.49 is: 303,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,211.94 : 475,080.81 = 219,953.49 : x
  2. Step 2: Convert to fraction form
    344,211.94/475,080.81 = 219,953.49/x
  3. Step 3: Cross multiply
    344,211.94x = 475,080.81 × 219,953.49
  4. Step 4: Simplify right side
    344,211.94x = 104,495,682,191.53
  5. Step 5: Solve for x
    x = 104,495,682,191.53/344,211.94
  6. Step 6: Final answer
    x = 303,579.48

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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.