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Finding the Fourth Proportional to 308,625.26, 462,688.77 and 283,713.97

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Solution

The fourth proportional to 308,625.26, 462,688.77 and 283,713.97 is: 425,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,625.26 : 462,688.77 = 283,713.97 : x
  2. Step 2: Convert to fraction form
    308,625.26/462,688.77 = 283,713.97/x
  3. Step 3: Cross multiply
    308,625.26x = 462,688.77 × 283,713.97
  4. Step 4: Simplify right side
    308,625.26x = 131,271,267,811.12
  5. Step 5: Solve for x
    x = 131,271,267,811.12/308,625.26
  6. Step 6: Final answer
    x = 425,341.94

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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.