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Finding the Fourth Proportional to 368,535.48, 552,776.82 and 143,853.96

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Solution

The fourth proportional to 368,535.48, 552,776.82 and 143,853.96 is: 215,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,535.48 : 552,776.82 = 143,853.96 : x
  2. Step 2: Convert to fraction form
    368,535.48/552,776.82 = 143,853.96/x
  3. Step 3: Cross multiply
    368,535.48x = 552,776.82 × 143,853.96
  4. Step 4: Simplify right side
    368,535.48x = 79,519,134,553.21
  5. Step 5: Solve for x
    x = 79,519,134,553.21/368,535.48
  6. Step 6: Final answer
    x = 215,770.64

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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.