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Finding the Fourth Proportional to 353,865.18, 530,423.85 and 241,266.27

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Solution

The fourth proportional to 353,865.18, 530,423.85 and 241,266.27 is: 361,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,865.18 : 530,423.85 = 241,266.27 : x
  2. Step 2: Convert to fraction form
    353,865.18/530,423.85 = 241,266.27/x
  3. Step 3: Cross multiply
    353,865.18x = 530,423.85 × 241,266.27
  4. Step 4: Simplify right side
    353,865.18x = 127,973,383,808.54
  5. Step 5: Solve for x
    x = 127,973,383,808.54/353,865.18
  6. Step 6: Final answer
    x = 361,644.47

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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.