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Finding the Fourth Proportional to 335,093.40, 503,028.90 and 202,123.80

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Solution

The fourth proportional to 335,093.40, 503,028.90 and 202,123.80 is: 303,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,093.40 : 503,028.90 = 202,123.80 : x
  2. Step 2: Convert to fraction form
    335,093.40/503,028.90 = 202,123.80/x
  3. Step 3: Cross multiply
    335,093.40x = 503,028.90 × 202,123.80
  4. Step 4: Simplify right side
    335,093.40x = 101,674,112,777.82
  5. Step 5: Solve for x
    x = 101,674,112,777.82/335,093.40
  6. Step 6: Final answer
    x = 303,420.22

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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.