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Finding the Fourth Proportional to 291,497.76, 437,313.60 and 151,225.20

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Solution

The fourth proportional to 291,497.76, 437,313.60 and 151,225.20 is: 226,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,497.76 : 437,313.60 = 151,225.20 : x
  2. Step 2: Convert to fraction form
    291,497.76/437,313.60 = 151,225.20/x
  3. Step 3: Cross multiply
    291,497.76x = 437,313.60 × 151,225.20
  4. Step 4: Simplify right side
    291,497.76x = 66,132,836,622.72
  5. Step 5: Solve for x
    x = 66,132,836,622.72/291,497.76
  6. Step 6: Final answer
    x = 226,872.54

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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.