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Finding the Fourth Proportional to 606,711.90, 910,081.94 and 157,450.49

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Solution

The fourth proportional to 606,711.90, 910,081.94 and 157,450.49 is: 236,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,711.90 : 910,081.94 = 157,450.49 : x
  2. Step 2: Convert to fraction form
    606,711.90/910,081.94 = 157,450.49/x
  3. Step 3: Cross multiply
    606,711.90x = 910,081.94 × 157,450.49
  4. Step 4: Simplify right side
    606,711.90x = 143,292,847,393.15
  5. Step 5: Solve for x
    x = 143,292,847,393.15/606,711.90
  6. Step 6: Final answer
    x = 236,179.39

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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.