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Finding the Fourth Proportional to 567,704.72, 852,147.66 and 418,113.92

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Solution

The fourth proportional to 567,704.72, 852,147.66 and 418,113.92 is: 627,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,704.72 : 852,147.66 = 418,113.92 : x
  2. Step 2: Convert to fraction form
    567,704.72/852,147.66 = 418,113.92/x
  3. Step 3: Cross multiply
    567,704.72x = 852,147.66 × 418,113.92
  4. Step 4: Simplify right side
    567,704.72x = 356,294,798,541.43
  5. Step 5: Solve for x
    x = 356,294,798,541.43/567,704.72
  6. Step 6: Final answer
    x = 627,605.84

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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.