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Finding the Fourth Proportional to 303,748.57, 419,088.90 and 174,680.03

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Solution

The fourth proportional to 303,748.57, 419,088.90 and 174,680.03 is: 241,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,748.57 : 419,088.90 = 174,680.03 : x
  2. Step 2: Convert to fraction form
    303,748.57/419,088.90 = 174,680.03/x
  3. Step 3: Cross multiply
    303,748.57x = 419,088.90 × 174,680.03
  4. Step 4: Simplify right side
    303,748.57x = 73,206,461,624.67
  5. Step 5: Solve for x
    x = 73,206,461,624.67/303,748.57
  6. Step 6: Final answer
    x = 241,010.06

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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.