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Finding the Fourth Proportional to 501,269.96, 751,892.45 and 146,287.06

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Solution

The fourth proportional to 501,269.96, 751,892.45 and 146,287.06 is: 219,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,269.96 : 751,892.45 = 146,287.06 : x
  2. Step 2: Convert to fraction form
    501,269.96/751,892.45 = 146,287.06/x
  3. Step 3: Cross multiply
    501,269.96x = 751,892.45 × 146,287.06
  4. Step 4: Simplify right side
    501,269.96x = 109,992,131,455.80
  5. Step 5: Solve for x
    x = 109,992,131,455.80/501,269.96
  6. Step 6: Final answer
    x = 219,426.94

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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.