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Finding the Fourth Proportional to 468,759.20, 703,249.92 and 153,215.19

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Solution

The fourth proportional to 468,759.20, 703,249.92 and 153,215.19 is: 229,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,759.20 : 703,249.92 = 153,215.19 : x
  2. Step 2: Convert to fraction form
    468,759.20/703,249.92 = 153,215.19/x
  3. Step 3: Cross multiply
    468,759.20x = 703,249.92 × 153,215.19
  4. Step 4: Simplify right side
    468,759.20x = 107,748,570,110.29
  5. Step 5: Solve for x
    x = 107,748,570,110.29/468,759.20
  6. Step 6: Final answer
    x = 229,859.11

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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.