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Finding the Fourth Proportional to 335,697.48, 503,372.70 and 99,009.96

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Solution

The fourth proportional to 335,697.48, 503,372.70 and 99,009.96 is: 148,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,697.48 : 503,372.70 = 99,009.96 : x
  2. Step 2: Convert to fraction form
    335,697.48/503,372.70 = 99,009.96/x
  3. Step 3: Cross multiply
    335,697.48x = 503,372.70 × 99,009.96
  4. Step 4: Simplify right side
    335,697.48x = 49,838,910,892.09
  5. Step 5: Solve for x
    x = 49,838,910,892.09/335,697.48
  6. Step 6: Final answer
    x = 148,463.76

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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.