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Finding the Fourth Proportional to 468,730.88, 703,200.76 and 258,260.48

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Solution

The fourth proportional to 468,730.88, 703,200.76 and 258,260.48 is: 387,448.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,730.88 : 703,200.76 = 258,260.48 : x
  2. Step 2: Convert to fraction form
    468,730.88/703,200.76 = 258,260.48/x
  3. Step 3: Cross multiply
    468,730.88x = 703,200.76 × 258,260.48
  4. Step 4: Simplify right side
    468,730.88x = 181,608,965,813.97
  5. Step 5: Solve for x
    x = 181,608,965,813.97/468,730.88
  6. Step 6: Final answer
    x = 387,448.26

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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.