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Finding the Fourth Proportional to 291,949.92, 437,071.92 and 263,934.72

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Solution

The fourth proportional to 291,949.92, 437,071.92 and 263,934.72 is: 395,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,949.92 : 437,071.92 = 263,934.72 : x
  2. Step 2: Convert to fraction form
    291,949.92/437,071.92 = 263,934.72/x
  3. Step 3: Cross multiply
    291,949.92x = 437,071.92 × 263,934.72
  4. Step 4: Simplify right side
    291,949.92x = 115,358,454,825.06
  5. Step 5: Solve for x
    x = 115,358,454,825.06/291,949.92
  6. Step 6: Final answer
    x = 395,130.97

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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.