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Finding the Fourth Proportional to 350,257.88, 525,291.10 and 125,576.56

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Solution

The fourth proportional to 350,257.88, 525,291.10 and 125,576.56 is: 188,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,257.88 : 525,291.10 = 125,576.56 : x
  2. Step 2: Convert to fraction form
    350,257.88/525,291.10 = 125,576.56/x
  3. Step 3: Cross multiply
    350,257.88x = 525,291.10 × 125,576.56
  4. Step 4: Simplify right side
    350,257.88x = 65,964,249,336.62
  5. Step 5: Solve for x
    x = 65,964,249,336.62/350,257.88
  6. Step 6: Final answer
    x = 188,330.52

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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.