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Finding the Fourth Proportional to 304,215.70, 456,171.21 and 93,826.30

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Solution

The fourth proportional to 304,215.70, 456,171.21 and 93,826.30 is: 140,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,215.70 : 456,171.21 = 93,826.30 : x
  2. Step 2: Convert to fraction form
    304,215.70/456,171.21 = 93,826.30/x
  3. Step 3: Cross multiply
    304,215.70x = 456,171.21 × 93,826.30
  4. Step 4: Simplify right side
    304,215.70x = 42,800,856,800.82
  5. Step 5: Solve for x
    x = 42,800,856,800.82/304,215.70
  6. Step 6: Final answer
    x = 140,692.47

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1.5x scale

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.