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Finding the Fourth Proportional to 453,697.43, 680,513.33 and 216,976.55

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Solution

The fourth proportional to 453,697.43, 680,513.33 and 216,976.55 is: 325,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,697.43 : 680,513.33 = 216,976.55 : x
  2. Step 2: Convert to fraction form
    453,697.43/680,513.33 = 216,976.55/x
  3. Step 3: Cross multiply
    453,697.43x = 680,513.33 × 216,976.55
  4. Step 4: Simplify right side
    453,697.43x = 147,655,430,084.96
  5. Step 5: Solve for x
    x = 147,655,430,084.96/453,697.43
  6. Step 6: Final answer
    x = 325,449.13

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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.