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Finding the Fourth Proportional to 350,453.85, 525,673.20 and 97,727.61

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Solution

The fourth proportional to 350,453.85, 525,673.20 and 97,727.61 is: 146,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,453.85 : 525,673.20 = 97,727.61 : x
  2. Step 2: Convert to fraction form
    350,453.85/525,673.20 = 97,727.61/x
  3. Step 3: Cross multiply
    350,453.85x = 525,673.20 × 97,727.61
  4. Step 4: Simplify right side
    350,453.85x = 51,372,784,857.89
  5. Step 5: Solve for x
    x = 51,372,784,857.89/350,453.85
  6. Step 6: Final answer
    x = 146,589.30

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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.