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Finding the Fourth Proportional to 537,819.80, 805,563.30 and 444,507.80

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Solution

The fourth proportional to 537,819.80, 805,563.30 and 444,507.80 is: 665,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,819.80 : 805,563.30 = 444,507.80 : x
  2. Step 2: Convert to fraction form
    537,819.80/805,563.30 = 444,507.80/x
  3. Step 3: Cross multiply
    537,819.80x = 805,563.30 × 444,507.80
  4. Step 4: Simplify right side
    537,819.80x = 358,079,170,243.74
  5. Step 5: Solve for x
    x = 358,079,170,243.74/537,819.80
  6. Step 6: Final answer
    x = 665,797.67

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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.