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Finding the Fourth Proportional to 362,950.80, 544,429.98 and 126,301.20

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Solution

The fourth proportional to 362,950.80, 544,429.98 and 126,301.20 is: 189,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,950.80 : 544,429.98 = 126,301.20 : x
  2. Step 2: Convert to fraction form
    362,950.80/544,429.98 = 126,301.20/x
  3. Step 3: Cross multiply
    362,950.80x = 544,429.98 × 126,301.20
  4. Step 4: Simplify right side
    362,950.80x = 68,762,159,789.98
  5. Step 5: Solve for x
    x = 68,762,159,789.98/362,950.80
  6. Step 6: Final answer
    x = 189,453.12

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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.