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Finding the Fourth Proportional to 344,744.88, 516,989.32 and 120,047.64

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Solution

The fourth proportional to 344,744.88, 516,989.32 and 120,047.64 is: 180,026.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,744.88 : 516,989.32 = 120,047.64 : x
  2. Step 2: Convert to fraction form
    344,744.88/516,989.32 = 120,047.64/x
  3. Step 3: Cross multiply
    344,744.88x = 516,989.32 × 120,047.64
  4. Step 4: Simplify right side
    344,744.88x = 62,063,347,771.20
  5. Step 5: Solve for x
    x = 62,063,347,771.20/344,744.88
  6. Step 6: Final answer
    x = 180,026.89

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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.