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Finding the Fourth Proportional to 291,457.44, 437,102.33 and 123,015.71

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Solution

The fourth proportional to 291,457.44, 437,102.33 and 123,015.71 is: 184,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,457.44 : 437,102.33 = 123,015.71 : x
  2. Step 2: Convert to fraction form
    291,457.44/437,102.33 = 123,015.71/x
  3. Step 3: Cross multiply
    291,457.44x = 437,102.33 × 123,015.71
  4. Step 4: Simplify right side
    291,457.44x = 53,770,453,945.28
  5. Step 5: Solve for x
    x = 53,770,453,945.28/291,457.44
  6. Step 6: Final answer
    x = 184,488.18

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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.