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Finding the Fourth Proportional to 637,343.44, 956,072.76 and 188,063.44

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Solution

The fourth proportional to 637,343.44, 956,072.76 and 188,063.44 is: 282,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,343.44 : 956,072.76 = 188,063.44 : x
  2. Step 2: Convert to fraction form
    637,343.44/956,072.76 = 188,063.44/x
  3. Step 3: Cross multiply
    637,343.44x = 956,072.76 × 188,063.44
  4. Step 4: Simplify right side
    637,343.44x = 179,802,332,135.89
  5. Step 5: Solve for x
    x = 179,802,332,135.89/637,343.44
  6. Step 6: Final answer
    x = 282,112.16

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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.