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Finding the Fourth Proportional to 291,263.33, 436,954.57 and 122,783.69

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Solution

The fourth proportional to 291,263.33, 436,954.57 and 122,783.69 is: 184,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,263.33 : 436,954.57 = 122,783.69 : x
  2. Step 2: Convert to fraction form
    291,263.33/436,954.57 = 122,783.69/x
  3. Step 3: Cross multiply
    291,263.33x = 436,954.57 × 122,783.69
  4. Step 4: Simplify right side
    291,263.33x = 53,650,894,466.96
  5. Step 5: Solve for x
    x = 53,650,894,466.96/291,263.33
  6. Step 6: Final answer
    x = 184,200.65

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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.