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Finding the Fourth Proportional to 606,708.90, 910,077.44 and 157,447.49

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Solution

The fourth proportional to 606,708.90, 910,077.44 and 157,447.49 is: 236,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,708.90 : 910,077.44 = 157,447.49 : x
  2. Step 2: Convert to fraction form
    606,708.90/910,077.44 = 157,447.49/x
  3. Step 3: Cross multiply
    606,708.90x = 910,077.44 × 157,447.49
  4. Step 4: Simplify right side
    606,708.90x = 143,289,403,296.00
  5. Step 5: Solve for x
    x = 143,289,403,296.00/606,708.90
  6. Step 6: Final answer
    x = 236,174.88

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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.