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Finding the Fourth Proportional to 291,586.10, 437,313.53 and 104,597.60

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Solution

The fourth proportional to 291,586.10, 437,313.53 and 104,597.60 is: 156,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,586.10 : 437,313.53 = 104,597.60 : x
  2. Step 2: Convert to fraction form
    291,586.10/437,313.53 = 104,597.60/x
  3. Step 3: Cross multiply
    291,586.10x = 437,313.53 × 104,597.60
  4. Step 4: Simplify right side
    291,586.10x = 45,741,943,760.45
  5. Step 5: Solve for x
    x = 45,741,943,760.45/291,586.10
  6. Step 6: Final answer
    x = 156,872.86

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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.