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Finding the Fourth Proportional to 368,237.76, 552,379.68 and 146,616

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Solution

The fourth proportional to 368,237.76, 552,379.68 and 146,616 is: 219,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,237.76 : 552,379.68 = 146,616 : x
  2. Step 2: Convert to fraction form
    368,237.76/552,379.68 = 146,616/x
  3. Step 3: Cross multiply
    368,237.76x = 552,379.68 × 146,616
  4. Step 4: Simplify right side
    368,237.76x = 80,987,699,162.88
  5. Step 5: Solve for x
    x = 80,987,699,162.88/368,237.76
  6. Step 6: Final answer
    x = 219,933.17

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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.