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Finding the Fourth Proportional to 544,408.41, 816,613.94 and 165,332.03

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Solution

The fourth proportional to 544,408.41, 816,613.94 and 165,332.03 is: 247,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,408.41 : 816,613.94 = 165,332.03 : x
  2. Step 2: Convert to fraction form
    544,408.41/816,613.94 = 165,332.03/x
  3. Step 3: Cross multiply
    544,408.41x = 816,613.94 × 165,332.03
  4. Step 4: Simplify right side
    544,408.41x = 135,012,440,426.50
  5. Step 5: Solve for x
    x = 135,012,440,426.50/544,408.41
  6. Step 6: Final answer
    x = 247,998.45

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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.