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Finding the Fourth Proportional to 468,693.88, 703,288.68 and 255,615.28

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Solution

The fourth proportional to 468,693.88, 703,288.68 and 255,615.28 is: 383,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,693.88 : 703,288.68 = 255,615.28 : x
  2. Step 2: Convert to fraction form
    468,693.88/703,288.68 = 255,615.28/x
  3. Step 3: Cross multiply
    468,693.88x = 703,288.68 × 255,615.28
  4. Step 4: Simplify right side
    468,693.88x = 179,771,332,859.03
  5. Step 5: Solve for x
    x = 179,771,332,859.03/468,693.88
  6. Step 6: Final answer
    x = 383,558.10

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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.