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Finding the Fourth Proportional to 544,878.65, 751,843.94 and 303,155.01

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Solution

The fourth proportional to 544,878.65, 751,843.94 and 303,155.01 is: 418,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.65 : 751,843.94 = 303,155.01 : x
  2. Step 2: Convert to fraction form
    544,878.65/751,843.94 = 303,155.01/x
  3. Step 3: Cross multiply
    544,878.65x = 751,843.94 × 303,155.01
  4. Step 4: Simplify right side
    544,878.65x = 227,925,255,633.36
  5. Step 5: Solve for x
    x = 227,925,255,633.36/544,878.65
  6. Step 6: Final answer
    x = 418,304.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.