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Finding the Fourth Proportional to 362,821.15, 544,067.70 and 163,038.70

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Solution

The fourth proportional to 362,821.15, 544,067.70 and 163,038.70 is: 244,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,821.15 : 544,067.70 = 163,038.70 : x
  2. Step 2: Convert to fraction form
    362,821.15/544,067.70 = 163,038.70/x
  3. Step 3: Cross multiply
    362,821.15x = 544,067.70 × 163,038.70
  4. Step 4: Simplify right side
    362,821.15x = 88,704,090,519.99
  5. Step 5: Solve for x
    x = 88,704,090,519.99/362,821.15
  6. Step 6: Final answer
    x = 244,484.34

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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.