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Finding the Fourth Proportional to 692,186.50, 955,217.37 and 374,234.50

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Solution

The fourth proportional to 692,186.50, 955,217.37 and 374,234.50 is: 516,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,186.50 : 955,217.37 = 374,234.50 : x
  2. Step 2: Convert to fraction form
    692,186.50/955,217.37 = 374,234.50/x
  3. Step 3: Cross multiply
    692,186.50x = 955,217.37 × 374,234.50
  4. Step 4: Simplify right side
    692,186.50x = 357,475,294,853.27
  5. Step 5: Solve for x
    x = 357,475,294,853.27/692,186.50
  6. Step 6: Final answer
    x = 516,443.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.