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Finding the Fourth Proportional to 323,820.10, 485,770.84 and 173,854.26

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Solution

The fourth proportional to 323,820.10, 485,770.84 and 173,854.26 is: 260,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,820.10 : 485,770.84 = 173,854.26 : x
  2. Step 2: Convert to fraction form
    323,820.10/485,770.84 = 173,854.26/x
  3. Step 3: Cross multiply
    323,820.10x = 485,770.84 × 173,854.26
  4. Step 4: Simplify right side
    323,820.10x = 84,453,326,619.65
  5. Step 5: Solve for x
    x = 84,453,326,619.65/323,820.10
  6. Step 6: Final answer
    x = 260,803.23

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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.