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Finding the Fourth Proportional to 368,536.79, 552,940.38 and 155,358.36

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Solution

The fourth proportional to 368,536.79, 552,940.38 and 155,358.36 is: 233,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,536.79 : 552,940.38 = 155,358.36 : x
  2. Step 2: Convert to fraction form
    368,536.79/552,940.38 = 155,358.36/x
  3. Step 3: Cross multiply
    368,536.79x = 552,940.38 × 155,358.36
  4. Step 4: Simplify right side
    368,536.79x = 85,903,910,614.58
  5. Step 5: Solve for x
    x = 85,903,910,614.58/368,536.79
  6. Step 6: Final answer
    x = 233,094.54

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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.