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Finding the Fourth Proportional to 362,806.04, 544,214.64 and 138,178.94

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Solution

The fourth proportional to 362,806.04, 544,214.64 and 138,178.94 is: 207,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,806.04 : 544,214.64 = 138,178.94 : x
  2. Step 2: Convert to fraction form
    362,806.04/544,214.64 = 138,178.94/x
  3. Step 3: Cross multiply
    362,806.04x = 544,214.64 × 138,178.94
  4. Step 4: Simplify right side
    362,806.04x = 75,199,002,087.68
  5. Step 5: Solve for x
    x = 75,199,002,087.68/362,806.04
  6. Step 6: Final answer
    x = 207,270.54

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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.