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Finding the Fourth Proportional to 468,632.25, 703,162.58 and 255,080.25

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Solution

The fourth proportional to 468,632.25, 703,162.58 and 255,080.25 is: 382,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,632.25 : 703,162.58 = 255,080.25 : x
  2. Step 2: Convert to fraction form
    468,632.25/703,162.58 = 255,080.25/x
  3. Step 3: Cross multiply
    468,632.25x = 703,162.58 × 255,080.25
  4. Step 4: Simplify right side
    468,632.25x = 179,362,885,421.64
  5. Step 5: Solve for x
    x = 179,362,885,421.64/468,632.25
  6. Step 6: Final answer
    x = 382,736.97

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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.