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Finding the Fourth Proportional to 444,140.10, 666,728.55 and 254,751.30

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Solution

The fourth proportional to 444,140.10, 666,728.55 and 254,751.30 is: 382,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,140.10 : 666,728.55 = 254,751.30 : x
  2. Step 2: Convert to fraction form
    444,140.10/666,728.55 = 254,751.30/x
  3. Step 3: Cross multiply
    444,140.10x = 666,728.55 × 254,751.30
  4. Step 4: Simplify right side
    444,140.10x = 169,849,964,859.62
  5. Step 5: Solve for x
    x = 169,849,964,859.62/444,140.10
  6. Step 6: Final answer
    x = 382,424.30

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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.