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Finding the Fourth Proportional to 493,026.52, 739,539.78 and 119,049.52

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Solution

The fourth proportional to 493,026.52, 739,539.78 and 119,049.52 is: 178,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,026.52 : 739,539.78 = 119,049.52 : x
  2. Step 2: Convert to fraction form
    493,026.52/739,539.78 = 119,049.52/x
  3. Step 3: Cross multiply
    493,026.52x = 739,539.78 × 119,049.52
  4. Step 4: Simplify right side
    493,026.52x = 88,041,855,829.91
  5. Step 5: Solve for x
    x = 88,041,855,829.91/493,026.52
  6. Step 6: Final answer
    x = 178,574.28

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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.