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Finding the Fourth Proportional to 637,389.63, 956,110.97 and 188,110.59

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Solution

The fourth proportional to 637,389.63, 956,110.97 and 188,110.59 is: 282,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,389.63 : 956,110.97 = 188,110.59 : x
  2. Step 2: Convert to fraction form
    637,389.63/956,110.97 = 188,110.59/x
  3. Step 3: Cross multiply
    637,389.63x = 956,110.97 × 188,110.59
  4. Step 4: Simplify right side
    637,389.63x = 179,854,597,731.62
  5. Step 5: Solve for x
    x = 179,854,597,731.62/637,389.63
  6. Step 6: Final answer
    x = 282,173.71

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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.