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Finding the Fourth Proportional to 379,080.04, 568,816.86 and 154,605.16

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Solution

The fourth proportional to 379,080.04, 568,816.86 and 154,605.16 is: 231,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,080.04 : 568,816.86 = 154,605.16 : x
  2. Step 2: Convert to fraction form
    379,080.04/568,816.86 = 154,605.16/x
  3. Step 3: Cross multiply
    379,080.04x = 568,816.86 × 154,605.16
  4. Step 4: Simplify right side
    379,080.04x = 87,942,021,651.00
  5. Step 5: Solve for x
    x = 87,942,021,651.00/379,080.04
  6. Step 6: Final answer
    x = 231,988.00

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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.