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Finding the Fourth Proportional to 567,655.38, 851,647.50 and 168,303.78

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Solution

The fourth proportional to 567,655.38, 851,647.50 and 168,303.78 is: 252,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,655.38 : 851,647.50 = 168,303.78 : x
  2. Step 2: Convert to fraction form
    567,655.38/851,647.50 = 168,303.78/x
  3. Step 3: Cross multiply
    567,655.38x = 851,647.50 × 168,303.78
  4. Step 4: Simplify right side
    567,655.38x = 143,335,493,477.55
  5. Step 5: Solve for x
    x = 143,335,493,477.55/567,655.38
  6. Step 6: Final answer
    x = 252,504.42

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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.