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Finding the Fourth Proportional to 504,380.52, 756,751.46 and 216,071.21

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Solution

The fourth proportional to 504,380.52, 756,751.46 and 216,071.21 is: 324,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,380.52 : 756,751.46 = 216,071.21 : x
  2. Step 2: Convert to fraction form
    504,380.52/756,751.46 = 216,071.21/x
  3. Step 3: Cross multiply
    504,380.52x = 756,751.46 × 216,071.21
  4. Step 4: Simplify right side
    504,380.52x = 163,512,204,442.99
  5. Step 5: Solve for x
    x = 163,512,204,442.99/504,380.52
  6. Step 6: Final answer
    x = 324,184.22

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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.