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Finding the Fourth Proportional to 658,187.78, 987,467.56 and 184,877.24

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Solution

The fourth proportional to 658,187.78, 987,467.56 and 184,877.24 is: 277,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,187.78 : 987,467.56 = 184,877.24 : x
  2. Step 2: Convert to fraction form
    658,187.78/987,467.56 = 184,877.24/x
  3. Step 3: Cross multiply
    658,187.78x = 987,467.56 × 184,877.24
  4. Step 4: Simplify right side
    658,187.78x = 182,560,271,682.80
  5. Step 5: Solve for x
    x = 182,560,271,682.80/658,187.78
  6. Step 6: Final answer
    x = 277,368.07

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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.