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Finding the Fourth Proportional to 344,283.28, 475,080.66 and 191,311.77

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Solution

The fourth proportional to 344,283.28, 475,080.66 and 191,311.77 is: 263,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,283.28 : 475,080.66 = 191,311.77 : x
  2. Step 2: Convert to fraction form
    344,283.28/475,080.66 = 191,311.77/x
  3. Step 3: Cross multiply
    344,283.28x = 475,080.66 × 191,311.77
  4. Step 4: Simplify right side
    344,283.28x = 90,888,521,957.37
  5. Step 5: Solve for x
    x = 90,888,521,957.37/344,283.28
  6. Step 6: Final answer
    x = 263,993.42

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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.