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Finding the Fourth Proportional to 291,232.32, 436,917.60 and 151,056.96

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Solution

The fourth proportional to 291,232.32, 436,917.60 and 151,056.96 is: 226,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,232.32 : 436,917.60 = 151,056.96 : x
  2. Step 2: Convert to fraction form
    291,232.32/436,917.60 = 151,056.96/x
  3. Step 3: Cross multiply
    291,232.32x = 436,917.60 × 151,056.96
  4. Step 4: Simplify right side
    291,232.32x = 65,999,444,426.50
  5. Step 5: Solve for x
    x = 65,999,444,426.50/291,232.32
  6. Step 6: Final answer
    x = 226,621.29

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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.