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Finding the Fourth Proportional to 354,236.34, 530,763.87 and 254,246.70

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Solution

The fourth proportional to 354,236.34, 530,763.87 and 254,246.70 is: 380,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,236.34 : 530,763.87 = 254,246.70 : x
  2. Step 2: Convert to fraction form
    354,236.34/530,763.87 = 254,246.70/x
  3. Step 3: Cross multiply
    354,236.34x = 530,763.87 × 254,246.70
  4. Step 4: Simplify right side
    354,236.34x = 134,944,962,426.73
  5. Step 5: Solve for x
    x = 134,944,962,426.73/354,236.34
  6. Step 6: Final answer
    x = 380,946.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.