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Finding the Fourth Proportional to 493,602.90, 740,404.35 and 119,625.90

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Solution

The fourth proportional to 493,602.90, 740,404.35 and 119,625.90 is: 179,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,602.90 : 740,404.35 = 119,625.90 : x
  2. Step 2: Convert to fraction form
    493,602.90/740,404.35 = 119,625.90/x
  3. Step 3: Cross multiply
    493,602.90x = 740,404.35 × 119,625.90
  4. Step 4: Simplify right side
    493,602.90x = 88,571,536,134.54
  5. Step 5: Solve for x
    x = 88,571,536,134.54/493,602.90
  6. Step 6: Final answer
    x = 179,438.85

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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.