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Finding the Fourth Proportional to 567,709.74, 851,729.00 and 168,360.12

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Solution

The fourth proportional to 567,709.74, 851,729.00 and 168,360.12 is: 252,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,709.74 : 851,729.00 = 168,360.12 : x
  2. Step 2: Convert to fraction form
    567,709.74/851,729.00 = 168,360.12/x
  3. Step 3: Cross multiply
    567,709.74x = 851,729.00 × 168,360.12
  4. Step 4: Simplify right side
    567,709.74x = 143,397,195,805.68
  5. Step 5: Solve for x
    x = 143,397,195,805.68/567,709.74
  6. Step 6: Final answer
    x = 252,588.93

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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.