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Finding the Fourth Proportional to 291,870.97, 437,617.79 and 114,395.92

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Solution

The fourth proportional to 291,870.97, 437,617.79 and 114,395.92 is: 171,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,870.97 : 437,617.79 = 114,395.92 : x
  2. Step 2: Convert to fraction form
    291,870.97/437,617.79 = 114,395.92/x
  3. Step 3: Cross multiply
    291,870.97x = 437,617.79 × 114,395.92
  4. Step 4: Simplify right side
    291,870.97x = 50,061,689,689.18
  5. Step 5: Solve for x
    x = 50,061,689,689.18/291,870.97
  6. Step 6: Final answer
    x = 171,519.93

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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.