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Finding the Fourth Proportional to 493,604.40, 740,406.60 and 119,627.40

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Solution

The fourth proportional to 493,604.40, 740,406.60 and 119,627.40 is: 179,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,604.40 : 740,406.60 = 119,627.40 : x
  2. Step 2: Convert to fraction form
    493,604.40/740,406.60 = 119,627.40/x
  3. Step 3: Cross multiply
    493,604.40x = 740,406.60 × 119,627.40
  4. Step 4: Simplify right side
    493,604.40x = 88,572,915,902.70
  5. Step 5: Solve for x
    x = 88,572,915,902.70/493,604.40
  6. Step 6: Final answer
    x = 179,441.10

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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.