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Finding the Fourth Proportional to 637,846.44, 956,763.45 and 188,575.76

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Solution

The fourth proportional to 637,846.44, 956,763.45 and 188,575.76 is: 282,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,846.44 : 956,763.45 = 188,575.76 : x
  2. Step 2: Convert to fraction form
    637,846.44/956,763.45 = 188,575.76/x
  3. Step 3: Cross multiply
    637,846.44x = 956,763.45 × 188,575.76
  4. Step 4: Simplify right side
    637,846.44x = 180,422,389,940.16
  5. Step 5: Solve for x
    x = 180,422,389,940.16/637,846.44
  6. Step 6: Final answer
    x = 282,861.80

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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.