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Finding the Fourth Proportional to 335,219.60, 502,828.11 and 135,537.59

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Solution

The fourth proportional to 335,219.60, 502,828.11 and 135,537.59 is: 203,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,219.60 : 502,828.11 = 135,537.59 : x
  2. Step 2: Convert to fraction form
    335,219.60/502,828.11 = 135,537.59/x
  3. Step 3: Cross multiply
    335,219.60x = 502,828.11 × 135,537.59
  4. Step 4: Simplify right side
    335,219.60x = 68,152,107,699.51
  5. Step 5: Solve for x
    x = 68,152,107,699.51/335,219.60
  6. Step 6: Final answer
    x = 203,305.86

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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.