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Finding the Fourth Proportional to 355,771.72, 491,111.04 and 241,207.27

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Solution

The fourth proportional to 355,771.72, 491,111.04 and 241,207.27 is: 332,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,771.72 : 491,111.04 = 241,207.27 : x
  2. Step 2: Convert to fraction form
    355,771.72/491,111.04 = 241,207.27/x
  3. Step 3: Cross multiply
    355,771.72x = 491,111.04 × 241,207.27
  4. Step 4: Simplify right side
    355,771.72x = 118,459,553,225.26
  5. Step 5: Solve for x
    x = 118,459,553,225.26/355,771.72
  6. Step 6: Final answer
    x = 332,965.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.