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Finding the Fourth Proportional to 603,267.72, 905,012.76 and 198,482.68

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Solution

The fourth proportional to 603,267.72, 905,012.76 and 198,482.68 is: 297,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,267.72 : 905,012.76 = 198,482.68 : x
  2. Step 2: Convert to fraction form
    603,267.72/905,012.76 = 198,482.68/x
  3. Step 3: Cross multiply
    603,267.72x = 905,012.76 × 198,482.68
  4. Step 4: Simplify right side
    603,267.72x = 179,629,358,039.00
  5. Step 5: Solve for x
    x = 179,629,358,039.00/603,267.72
  6. Step 6: Final answer
    x = 297,760.60

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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.