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Finding the Fourth Proportional to 529,523.55, 794,679.08 and 213,983.19

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Solution

The fourth proportional to 529,523.55, 794,679.08 and 213,983.19 is: 321,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,523.55 : 794,679.08 = 213,983.19 : x
  2. Step 2: Convert to fraction form
    529,523.55/794,679.08 = 213,983.19/x
  3. Step 3: Cross multiply
    529,523.55x = 794,679.08 × 213,983.19
  4. Step 4: Simplify right side
    529,523.55x = 170,047,963,494.75
  5. Step 5: Solve for x
    x = 170,047,963,494.75/529,523.55
  6. Step 6: Final answer
    x = 321,133.90

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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.