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Finding the Fourth Proportional to 308,265.96, 462,408.42 and 83,625.50

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Solution

The fourth proportional to 308,265.96, 462,408.42 and 83,625.50 is: 125,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,265.96 : 462,408.42 = 83,625.50 : x
  2. Step 2: Convert to fraction form
    308,265.96/462,408.42 = 83,625.50/x
  3. Step 3: Cross multiply
    308,265.96x = 462,408.42 × 83,625.50
  4. Step 4: Simplify right side
    308,265.96x = 38,669,135,326.71
  5. Step 5: Solve for x
    x = 38,669,135,326.71/308,265.96
  6. Step 6: Final answer
    x = 125,440.82

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1.5x scale

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.