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Finding the Fourth Proportional to 523,820.52, 785,750.22 and 168,839.64

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Solution

The fourth proportional to 523,820.52, 785,750.22 and 168,839.64 is: 253,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,820.52 : 785,750.22 = 168,839.64 : x
  2. Step 2: Convert to fraction form
    523,820.52/785,750.22 = 168,839.64/x
  3. Step 3: Cross multiply
    523,820.52x = 785,750.22 × 168,839.64
  4. Step 4: Simplify right side
    523,820.52x = 132,665,784,274.72
  5. Step 5: Solve for x
    x = 132,665,784,274.72/523,820.52
  6. Step 6: Final answer
    x = 253,265.73

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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.