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Finding the Fourth Proportional to 606,217.96, 909,326.78 and 206,858.70

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Solution

The fourth proportional to 606,217.96, 909,326.78 and 206,858.70 is: 310,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,217.96 : 909,326.78 = 206,858.70 : x
  2. Step 2: Convert to fraction form
    606,217.96/909,326.78 = 206,858.70/x
  3. Step 3: Cross multiply
    606,217.96x = 909,326.78 × 206,858.70
  4. Step 4: Simplify right side
    606,217.96x = 188,102,155,585.99
  5. Step 5: Solve for x
    x = 188,102,155,585.99/606,217.96
  6. Step 6: Final answer
    x = 310,288.00

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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.