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Finding the Fourth Proportional to 483,168.94, 724,958.16 and 258,470.50

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Solution

The fourth proportional to 483,168.94, 724,958.16 and 258,470.50 is: 387,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,168.94 : 724,958.16 = 258,470.50 : x
  2. Step 2: Convert to fraction form
    483,168.94/724,958.16 = 258,470.50/x
  3. Step 3: Cross multiply
    483,168.94x = 724,958.16 × 258,470.50
  4. Step 4: Simplify right side
    483,168.94x = 187,380,298,094.28
  5. Step 5: Solve for x
    x = 187,380,298,094.28/483,168.94
  6. Step 6: Final answer
    x = 387,815.28

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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.