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Finding the Fourth Proportional to 567,861.03, 783,645.03 and 313,211.61

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Solution

The fourth proportional to 567,861.03, 783,645.03 and 313,211.61 is: 432,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,861.03 : 783,645.03 = 313,211.61 : x
  2. Step 2: Convert to fraction form
    567,861.03/783,645.03 = 313,211.61/x
  3. Step 3: Cross multiply
    567,861.03x = 783,645.03 × 313,211.61
  4. Step 4: Simplify right side
    567,861.03x = 245,446,721,514.80
  5. Step 5: Solve for x
    x = 245,446,721,514.80/567,861.03
  6. Step 6: Final answer
    x = 432,230.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.