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Finding the Fourth Proportional to 344,187.33, 516,103.55 and 154,485.07

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Solution

The fourth proportional to 344,187.33, 516,103.55 and 154,485.07 is: 231,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,187.33 : 516,103.55 = 154,485.07 : x
  2. Step 2: Convert to fraction form
    344,187.33/516,103.55 = 154,485.07/x
  3. Step 3: Cross multiply
    344,187.33x = 516,103.55 × 154,485.07
  4. Step 4: Simplify right side
    344,187.33x = 79,730,291,691.54
  5. Step 5: Solve for x
    x = 79,730,291,691.54/344,187.33
  6. Step 6: Final answer
    x = 231,647.96

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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.