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Finding the Fourth Proportional to 335,062.51, 502,592.67 and 135,380.50

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Solution

The fourth proportional to 335,062.51, 502,592.67 and 135,380.50 is: 203,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,062.51 : 502,592.67 = 135,380.50 : x
  2. Step 2: Convert to fraction form
    335,062.51/502,592.67 = 135,380.50/x
  3. Step 3: Cross multiply
    335,062.51x = 502,592.67 × 135,380.50
  4. Step 4: Simplify right side
    335,062.51x = 68,041,245,704.45
  5. Step 5: Solve for x
    x = 68,041,245,704.45/335,062.51
  6. Step 6: Final answer
    x = 203,070.31

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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.