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Finding the Fourth Proportional to 350,354.23, 525,600.60 and 125,654.56

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Solution

The fourth proportional to 350,354.23, 525,600.60 and 125,654.56 is: 188,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,354.23 : 525,600.60 = 125,654.56 : x
  2. Step 2: Convert to fraction form
    350,354.23/525,600.60 = 125,654.56/x
  3. Step 3: Cross multiply
    350,354.23x = 525,600.60 × 125,654.56
  4. Step 4: Simplify right side
    350,354.23x = 66,044,112,128.74
  5. Step 5: Solve for x
    x = 66,044,112,128.74/350,354.23
  6. Step 6: Final answer
    x = 188,506.68

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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.