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Finding the Fourth Proportional to 500,395.28, 750,987.38 and 184,942.40

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Solution

The fourth proportional to 500,395.28, 750,987.38 and 184,942.40 is: 277,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,395.28 : 750,987.38 = 184,942.40 : x
  2. Step 2: Convert to fraction form
    500,395.28/750,987.38 = 184,942.40/x
  3. Step 3: Cross multiply
    500,395.28x = 750,987.38 × 184,942.40
  4. Step 4: Simplify right side
    500,395.28x = 138,889,405,134.33
  5. Step 5: Solve for x
    x = 138,889,405,134.33/500,395.28
  6. Step 6: Final answer
    x = 277,559.39

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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.