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Finding the Fourth Proportional to 291,416.92, 437,105.30 and 179,114.47

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Solution

The fourth proportional to 291,416.92, 437,105.30 and 179,114.47 is: 268,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,416.92 : 437,105.30 = 179,114.47 : x
  2. Step 2: Convert to fraction form
    291,416.92/437,105.30 = 179,114.47/x
  3. Step 3: Cross multiply
    291,416.92x = 437,105.30 × 179,114.47
  4. Step 4: Simplify right side
    291,416.92x = 78,291,882,155.36
  5. Step 5: Solve for x
    x = 78,291,882,155.36/291,416.92
  6. Step 6: Final answer
    x = 268,659.36

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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.