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Finding the Fourth Proportional to 291,505.99, 437,317.77 and 123,026.50

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Solution

The fourth proportional to 291,505.99, 437,317.77 and 123,026.50 is: 184,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,505.99 : 437,317.77 = 123,026.50 : x
  2. Step 2: Convert to fraction form
    291,505.99/437,317.77 = 123,026.50/x
  3. Step 3: Cross multiply
    291,505.99x = 437,317.77 × 123,026.50
  4. Step 4: Simplify right side
    291,505.99x = 53,801,674,630.91
  5. Step 5: Solve for x
    x = 53,801,674,630.91/291,505.99
  6. Step 6: Final answer
    x = 184,564.56

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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.