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Finding the Fourth Proportional to 343,604.60, 514,532.10 and 327,858.20

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Solution

The fourth proportional to 343,604.60, 514,532.10 and 327,858.20 is: 490,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,604.60 : 514,532.10 = 327,858.20 : x
  2. Step 2: Convert to fraction form
    343,604.60/514,532.10 = 327,858.20/x
  3. Step 3: Cross multiply
    343,604.60x = 514,532.10 × 327,858.20
  4. Step 4: Simplify right side
    343,604.60x = 168,693,568,148.22
  5. Step 5: Solve for x
    x = 168,693,568,148.22/343,604.60
  6. Step 6: Final answer
    x = 490,952.59

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1.5x scale

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.