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Finding the Fourth Proportional to 366,937.20, 550,405.80 and 254,962.80

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Solution

The fourth proportional to 366,937.20, 550,405.80 and 254,962.80 is: 382,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,937.20 : 550,405.80 = 254,962.80 : x
  2. Step 2: Convert to fraction form
    366,937.20/550,405.80 = 254,962.80/x
  3. Step 3: Cross multiply
    366,937.20x = 550,405.80 × 254,962.80
  4. Step 4: Simplify right side
    366,937.20x = 140,333,003,904.24
  5. Step 5: Solve for x
    x = 140,333,003,904.24/366,937.20
  6. Step 6: Final answer
    x = 382,444.20

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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.