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Finding the Fourth Proportional to 291,737.28, 437,606.34 and 192,341.37

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Solution

The fourth proportional to 291,737.28, 437,606.34 and 192,341.37 is: 288,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,737.28 : 437,606.34 = 192,341.37 : x
  2. Step 2: Convert to fraction form
    291,737.28/437,606.34 = 192,341.37/x
  3. Step 3: Cross multiply
    291,737.28x = 437,606.34 × 192,341.37
  4. Step 4: Simplify right side
    291,737.28x = 84,169,802,956.29
  5. Step 5: Solve for x
    x = 84,169,802,956.29/291,737.28
  6. Step 6: Final answer
    x = 288,512.33

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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.