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Finding the Fourth Proportional to 254,299.96, 350,133.78 and 215,977.24

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Solution

The fourth proportional to 254,299.96, 350,133.78 and 215,977.24 is: 297,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,299.96 : 350,133.78 = 215,977.24 : x
  2. Step 2: Convert to fraction form
    254,299.96/350,133.78 = 215,977.24/x
  3. Step 3: Cross multiply
    254,299.96x = 350,133.78 × 215,977.24
  4. Step 4: Simplify right side
    254,299.96x = 75,620,927,435.17
  5. Step 5: Solve for x
    x = 75,620,927,435.17/254,299.96
  6. Step 6: Final answer
    x = 297,369.01

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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.