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Finding the Fourth Proportional to 507,350.12, 761,060.68 and 203,744.22

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Solution

The fourth proportional to 507,350.12, 761,060.68 and 203,744.22 is: 305,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,350.12 : 761,060.68 = 203,744.22 : x
  2. Step 2: Convert to fraction form
    507,350.12/761,060.68 = 203,744.22/x
  3. Step 3: Cross multiply
    507,350.12x = 761,060.68 × 203,744.22
  4. Step 4: Simplify right side
    507,350.12x = 155,061,715,536.90
  5. Step 5: Solve for x
    x = 155,061,715,536.90/507,350.12
  6. Step 6: Final answer
    x = 305,630.59

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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.