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Finding the Fourth Proportional to 291,899.52, 437,059.60 and 151,362.72

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Solution

The fourth proportional to 291,899.52, 437,059.60 and 151,362.72 is: 226,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,899.52 : 437,059.60 = 151,362.72 : x
  2. Step 2: Convert to fraction form
    291,899.52/437,059.60 = 151,362.72/x
  3. Step 3: Cross multiply
    291,899.52x = 437,059.60 × 151,362.72
  4. Step 4: Simplify right side
    291,899.52x = 66,154,529,858.11
  5. Step 5: Solve for x
    x = 66,154,529,858.11/291,899.52
  6. Step 6: Final answer
    x = 226,634.60

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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.