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Finding the Fourth Proportional to 468,326.45, 702,489.69 and 113,340.48

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Solution

The fourth proportional to 468,326.45, 702,489.69 and 113,340.48 is: 170,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,326.45 : 702,489.69 = 113,340.48 : x
  2. Step 2: Convert to fraction form
    468,326.45/702,489.69 = 113,340.48/x
  3. Step 3: Cross multiply
    468,326.45x = 702,489.69 × 113,340.48
  4. Step 4: Simplify right side
    468,326.45x = 79,620,518,659.65
  5. Step 5: Solve for x
    x = 79,620,518,659.65/468,326.45
  6. Step 6: Final answer
    x = 170,010.73

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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.