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Finding the Fourth Proportional to 355,752.53, 490,938.33 and 194,607.54

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Solution

The fourth proportional to 355,752.53, 490,938.33 and 194,607.54 is: 268,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,752.53 : 490,938.33 = 194,607.54 : x
  2. Step 2: Convert to fraction form
    355,752.53/490,938.33 = 194,607.54/x
  3. Step 3: Cross multiply
    355,752.53x = 490,938.33 × 194,607.54
  4. Step 4: Simplify right side
    355,752.53x = 95,540,299,221.02
  5. Step 5: Solve for x
    x = 95,540,299,221.02/355,752.53
  6. Step 6: Final answer
    x = 268,558.31

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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.