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Finding the Fourth Proportional to 365,043.01, 547,704.75 and 257,076.01

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Solution

The fourth proportional to 365,043.01, 547,704.75 and 257,076.01 is: 385,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,043.01 : 547,704.75 = 257,076.01 : x
  2. Step 2: Convert to fraction form
    365,043.01/547,704.75 = 257,076.01/x
  3. Step 3: Cross multiply
    365,043.01x = 547,704.75 × 257,076.01
  4. Step 4: Simplify right side
    365,043.01x = 140,801,751,788.05
  5. Step 5: Solve for x
    x = 140,801,751,788.05/365,043.01
  6. Step 6: Final answer
    x = 385,712.77

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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.