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Finding the Fourth Proportional to 475,693.43, 713,140.00 and 222,840.59

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Solution

The fourth proportional to 475,693.43, 713,140.00 and 222,840.59 is: 334,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,693.43 : 713,140.00 = 222,840.59 : x
  2. Step 2: Convert to fraction form
    475,693.43/713,140.00 = 222,840.59/x
  3. Step 3: Cross multiply
    475,693.43x = 713,140.00 × 222,840.59
  4. Step 4: Simplify right side
    475,693.43x = 158,916,534,229.80
  5. Step 5: Solve for x
    x = 158,916,534,229.80/475,693.43
  6. Step 6: Final answer
    x = 334,073.43

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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.