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Finding the Fourth Proportional to 499,912.40, 749,934.36 and 184,590.80

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Solution

The fourth proportional to 499,912.40, 749,934.36 and 184,590.80 is: 276,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,912.40 : 749,934.36 = 184,590.80 : x
  2. Step 2: Convert to fraction form
    499,912.40/749,934.36 = 184,590.80/x
  3. Step 3: Cross multiply
    499,912.40x = 749,934.36 × 184,590.80
  4. Step 4: Simplify right side
    499,912.40x = 138,430,983,459.89
  5. Step 5: Solve for x
    x = 138,430,983,459.89/499,912.40
  6. Step 6: Final answer
    x = 276,910.48

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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.