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Finding the Fourth Proportional to 606,027.11, 909,308.43 and 317,769.91

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Solution

The fourth proportional to 606,027.11, 909,308.43 and 317,769.91 is: 476,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,027.11 : 909,308.43 = 317,769.91 : x
  2. Step 2: Convert to fraction form
    606,027.11/909,308.43 = 317,769.91/x
  3. Step 3: Cross multiply
    606,027.11x = 909,308.43 × 317,769.91
  4. Step 4: Simplify right side
    606,027.11x = 288,950,857,963.34
  5. Step 5: Solve for x
    x = 288,950,857,963.34/606,027.11
  6. Step 6: Final answer
    x = 476,795.27

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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.