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Finding the Fourth Proportional to 343,783.96, 474,414.52 and 190,813.24

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Solution

The fourth proportional to 343,783.96, 474,414.52 and 190,813.24 is: 263,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,783.96 : 474,414.52 = 190,813.24 : x
  2. Step 2: Convert to fraction form
    343,783.96/474,414.52 = 190,813.24/x
  3. Step 3: Cross multiply
    343,783.96x = 474,414.52 × 190,813.24
  4. Step 4: Simplify right side
    343,783.96x = 90,524,571,664.24
  5. Step 5: Solve for x
    x = 90,524,571,664.24/343,783.96
  6. Step 6: Final answer
    x = 263,318.19

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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.