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Finding the Fourth Proportional to 291,333.26, 436,999.90 and 104,475.98

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Solution

The fourth proportional to 291,333.26, 436,999.90 and 104,475.98 is: 156,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,333.26 : 436,999.90 = 104,475.98 : x
  2. Step 2: Convert to fraction form
    291,333.26/436,999.90 = 104,475.98/x
  3. Step 3: Cross multiply
    291,333.26x = 436,999.90 × 104,475.98
  4. Step 4: Simplify right side
    291,333.26x = 45,655,992,812.40
  5. Step 5: Solve for x
    x = 45,655,992,812.40/291,333.26
  6. Step 6: Final answer
    x = 156,713.97

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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.