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Finding the Fourth Proportional to 262,898.44, 394,179.54 and 156,253.96

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Solution

The fourth proportional to 262,898.44, 394,179.54 and 156,253.96 is: 234,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,898.44 : 394,179.54 = 156,253.96 : x
  2. Step 2: Convert to fraction form
    262,898.44/394,179.54 = 156,253.96/x
  3. Step 3: Cross multiply
    262,898.44x = 394,179.54 × 156,253.96
  4. Step 4: Simplify right side
    262,898.44x = 61,592,114,075.98
  5. Step 5: Solve for x
    x = 61,592,114,075.98/262,898.44
  6. Step 6: Final answer
    x = 234,281.02

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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.