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Finding the Fourth Proportional to 606,441.80, 909,662.70 and 576,917.30

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Solution

The fourth proportional to 606,441.80, 909,662.70 and 576,917.30 is: 865,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,441.80 : 909,662.70 = 576,917.30 : x
  2. Step 2: Convert to fraction form
    606,441.80/909,662.70 = 576,917.30/x
  3. Step 3: Cross multiply
    606,441.80x = 909,662.70 × 576,917.30
  4. Step 4: Simplify right side
    606,441.80x = 524,800,148,794.71
  5. Step 5: Solve for x
    x = 524,800,148,794.71/606,441.80
  6. Step 6: Final answer
    x = 865,375.95

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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.