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Finding the Fourth Proportional to 291,677.40, 437,625.45 and 114,311.70

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Solution

The fourth proportional to 291,677.40, 437,625.45 and 114,311.70 is: 171,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,677.40 : 437,625.45 = 114,311.70 : x
  2. Step 2: Convert to fraction form
    291,677.40/437,625.45 = 114,311.70/x
  3. Step 3: Cross multiply
    291,677.40x = 437,625.45 × 114,311.70
  4. Step 4: Simplify right side
    291,677.40x = 50,025,709,152.77
  5. Step 5: Solve for x
    x = 50,025,709,152.77/291,677.40
  6. Step 6: Final answer
    x = 171,510.41

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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.