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Finding the Fourth Proportional to 351,903.70, 527,003.14 and 243,529.39

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Solution

The fourth proportional to 351,903.70, 527,003.14 and 243,529.39 is: 364,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,903.70 : 527,003.14 = 243,529.39 : x
  2. Step 2: Convert to fraction form
    351,903.70/527,003.14 = 243,529.39/x
  3. Step 3: Cross multiply
    351,903.70x = 527,003.14 × 243,529.39
  4. Step 4: Simplify right side
    351,903.70x = 128,340,753,519.51
  5. Step 5: Solve for x
    x = 128,340,753,519.51/351,903.70
  6. Step 6: Final answer
    x = 364,704.19

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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.