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Finding the Fourth Proportional to 550,288.28, 759,076.11 and 346,015.80

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Solution

The fourth proportional to 550,288.28, 759,076.11 and 346,015.80 is: 477,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,288.28 : 759,076.11 = 346,015.80 : x
  2. Step 2: Convert to fraction form
    550,288.28/759,076.11 = 346,015.80/x
  3. Step 3: Cross multiply
    550,288.28x = 759,076.11 × 346,015.80
  4. Step 4: Simplify right side
    550,288.28x = 262,652,327,462.54
  5. Step 5: Solve for x
    x = 262,652,327,462.54/550,288.28
  6. Step 6: Final answer
    x = 477,299.51

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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.