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Finding the Fourth Proportional to 291,371.46, 437,108.43 and 120,592.68

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Solution

The fourth proportional to 291,371.46, 437,108.43 and 120,592.68 is: 180,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,371.46 : 437,108.43 = 120,592.68 : x
  2. Step 2: Convert to fraction form
    291,371.46/437,108.43 = 120,592.68/x
  3. Step 3: Cross multiply
    291,371.46x = 437,108.43 × 120,592.68
  4. Step 4: Simplify right side
    291,371.46x = 52,712,077,024.29
  5. Step 5: Solve for x
    x = 52,712,077,024.29/291,371.46
  6. Step 6: Final answer
    x = 180,910.23

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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.