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Finding the Fourth Proportional to 490,803.60, 736,205.40 and 225,083.10

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Solution

The fourth proportional to 490,803.60, 736,205.40 and 225,083.10 is: 337,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,803.60 : 736,205.40 = 225,083.10 : x
  2. Step 2: Convert to fraction form
    490,803.60/736,205.40 = 225,083.10/x
  3. Step 3: Cross multiply
    490,803.60x = 736,205.40 × 225,083.10
  4. Step 4: Simplify right side
    490,803.60x = 165,707,393,668.74
  5. Step 5: Solve for x
    x = 165,707,393,668.74/490,803.60
  6. Step 6: Final answer
    x = 337,624.65

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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.