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Finding the Fourth Proportional to 252,005.58, 378,008.64 and 236,609.10

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Solution

The fourth proportional to 252,005.58, 378,008.64 and 236,609.10 is: 354,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,005.58 : 378,008.64 = 236,609.10 : x
  2. Step 2: Convert to fraction form
    252,005.58/378,008.64 = 236,609.10/x
  3. Step 3: Cross multiply
    252,005.58x = 378,008.64 × 236,609.10
  4. Step 4: Simplify right side
    252,005.58x = 89,440,284,102.62
  5. Step 5: Solve for x
    x = 89,440,284,102.62/252,005.58
  6. Step 6: Final answer
    x = 354,913.90

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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.