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Finding the Fourth Proportional to 606,708.30, 910,062.45 and 308,109.90

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Solution

The fourth proportional to 606,708.30, 910,062.45 and 308,109.90 is: 462,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,708.30 : 910,062.45 = 308,109.90 : x
  2. Step 2: Convert to fraction form
    606,708.30/910,062.45 = 308,109.90/x
  3. Step 3: Cross multiply
    606,708.30x = 910,062.45 × 308,109.90
  4. Step 4: Simplify right side
    606,708.30x = 280,399,250,463.26
  5. Step 5: Solve for x
    x = 280,399,250,463.26/606,708.30
  6. Step 6: Final answer
    x = 462,164.85

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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.