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Finding the Fourth Proportional to 550,250.76, 759,023.49 and 345,977.94

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Solution

The fourth proportional to 550,250.76, 759,023.49 and 345,977.94 is: 477,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,250.76 : 759,023.49 = 345,977.94 : x
  2. Step 2: Convert to fraction form
    550,250.76/759,023.49 = 345,977.94/x
  3. Step 3: Cross multiply
    550,250.76x = 759,023.49 × 345,977.94
  4. Step 4: Simplify right side
    550,250.76x = 262,605,383,481.81
  5. Step 5: Solve for x
    x = 262,605,383,481.81/550,250.76
  6. Step 6: Final answer
    x = 477,246.74

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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.