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Finding the Fourth Proportional to 490,812, 736,390.80 and 241,668.96

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Solution

The fourth proportional to 490,812, 736,390.80 and 241,668.96 is: 362,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,812 : 736,390.80 = 241,668.96 : x
  2. Step 2: Convert to fraction form
    490,812/736,390.80 = 241,668.96/x
  3. Step 3: Cross multiply
    490,812x = 736,390.80 × 241,668.96
  4. Step 4: Simplify right side
    490,812x = 177,962,798,789.57
  5. Step 5: Solve for x
    x = 177,962,798,789.57/490,812
  6. Step 6: Final answer
    x = 362,588.52

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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.