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Finding the Fourth Proportional to 298,996.48, 412,715.10 and 178,175.68

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Solution

The fourth proportional to 298,996.48, 412,715.10 and 178,175.68 is: 245,942.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,996.48 : 412,715.10 = 178,175.68 : x
  2. Step 2: Convert to fraction form
    298,996.48/412,715.10 = 178,175.68/x
  3. Step 3: Cross multiply
    298,996.48x = 412,715.10 × 178,175.68
  4. Step 4: Simplify right side
    298,996.48x = 73,535,793,588.77
  5. Step 5: Solve for x
    x = 73,535,793,588.77/298,996.48
  6. Step 6: Final answer
    x = 245,942.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.