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Finding the Fourth Proportional to 291,580.92, 437,509.62 and 173,485.56

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Solution

The fourth proportional to 291,580.92, 437,509.62 and 173,485.56 is: 260,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,580.92 : 437,509.62 = 173,485.56 : x
  2. Step 2: Convert to fraction form
    291,580.92/437,509.62 = 173,485.56/x
  3. Step 3: Cross multiply
    291,580.92x = 437,509.62 × 173,485.56
  4. Step 4: Simplify right side
    291,580.92x = 75,901,601,431.09
  5. Step 5: Solve for x
    x = 75,901,601,431.09/291,580.92
  6. Step 6: Final answer
    x = 260,310.59

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1.5x scale

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.