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Finding the Fourth Proportional to 291,846.70, 437,527.05 and 123,496.30

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Solution

The fourth proportional to 291,846.70, 437,527.05 and 123,496.30 is: 185,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,846.70 : 437,527.05 = 123,496.30 : x
  2. Step 2: Convert to fraction form
    291,846.70/437,527.05 = 123,496.30/x
  3. Step 3: Cross multiply
    291,846.70x = 437,527.05 × 123,496.30
  4. Step 4: Simplify right side
    291,846.70x = 54,032,971,824.92
  5. Step 5: Solve for x
    x = 54,032,971,824.92/291,846.70
  6. Step 6: Final answer
    x = 185,141.62

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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.