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Finding the Fourth Proportional to 303,372.99, 418,738.01 and 176,089.59

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Solution

The fourth proportional to 303,372.99, 418,738.01 and 176,089.59 is: 243,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,372.99 : 418,738.01 = 176,089.59 : x
  2. Step 2: Convert to fraction form
    303,372.99/418,738.01 = 176,089.59/x
  3. Step 3: Cross multiply
    303,372.99x = 418,738.01 × 176,089.59
  4. Step 4: Simplify right side
    303,372.99x = 73,735,403,617.87
  5. Step 5: Solve for x
    x = 73,735,403,617.87/303,372.99
  6. Step 6: Final answer
    x = 243,051.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.