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Finding the Fourth Proportional to 328,676.54, 492,965.24 and 104,007.80

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Solution

The fourth proportional to 328,676.54, 492,965.24 and 104,007.80 is: 155,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,676.54 : 492,965.24 = 104,007.80 : x
  2. Step 2: Convert to fraction form
    328,676.54/492,965.24 = 104,007.80/x
  3. Step 3: Cross multiply
    328,676.54x = 492,965.24 × 104,007.80
  4. Step 4: Simplify right side
    328,676.54x = 51,272,230,088.87
  5. Step 5: Solve for x
    x = 51,272,230,088.87/328,676.54
  6. Step 6: Final answer
    x = 155,996.01

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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.