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Finding the Fourth Proportional to 567,904.70, 852,018 and 231,186.90

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Solution

The fourth proportional to 567,904.70, 852,018 and 231,186.90 is: 346,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,904.70 : 852,018 = 231,186.90 : x
  2. Step 2: Convert to fraction form
    567,904.70/852,018 = 231,186.90/x
  3. Step 3: Cross multiply
    567,904.70x = 852,018 × 231,186.90
  4. Step 4: Simplify right side
    567,904.70x = 196,975,400,164.20
  5. Step 5: Solve for x
    x = 196,975,400,164.20/567,904.70
  6. Step 6: Final answer
    x = 346,845.87

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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.