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Finding the Fourth Proportional to 453,367.68, 680,052.72 and 216,656.52

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Solution

The fourth proportional to 453,367.68, 680,052.72 and 216,656.52 is: 324,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,367.68 : 680,052.72 = 216,656.52 : x
  2. Step 2: Convert to fraction form
    453,367.68/680,052.72 = 216,656.52/x
  3. Step 3: Cross multiply
    453,367.68x = 680,052.72 × 216,656.52
  4. Step 4: Simplify right side
    453,367.68x = 147,337,855,731.73
  5. Step 5: Solve for x
    x = 147,337,855,731.73/453,367.68
  6. Step 6: Final answer
    x = 324,985.35

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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.