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Finding the Fourth Proportional to 501,168.33, 751,789.40 and 146,191.80

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Solution

The fourth proportional to 501,168.33, 751,789.40 and 146,191.80 is: 219,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,168.33 : 751,789.40 = 146,191.80 : x
  2. Step 2: Convert to fraction form
    501,168.33/751,789.40 = 146,191.80/x
  3. Step 3: Cross multiply
    501,168.33x = 751,789.40 × 146,191.80
  4. Step 4: Simplify right side
    501,168.33x = 109,905,444,875.96
  5. Step 5: Solve for x
    x = 109,905,444,875.96/501,168.33
  6. Step 6: Final answer
    x = 219,298.46

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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.