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Finding the Fourth Proportional to 436,886.70, 655,297.65 and 184,101.90

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Solution

The fourth proportional to 436,886.70, 655,297.65 and 184,101.90 is: 276,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,886.70 : 655,297.65 = 184,101.90 : x
  2. Step 2: Convert to fraction form
    436,886.70/655,297.65 = 184,101.90/x
  3. Step 3: Cross multiply
    436,886.70x = 655,297.65 × 184,101.90
  4. Step 4: Simplify right side
    436,886.70x = 120,641,542,430.54
  5. Step 5: Solve for x
    x = 120,641,542,430.54/436,886.70
  6. Step 6: Final answer
    x = 276,139.20

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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.