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Finding the Fourth Proportional to 303,393.61, 418,687.60 and 167,433.89

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Solution

The fourth proportional to 303,393.61, 418,687.60 and 167,433.89 is: 231,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,393.61 : 418,687.60 = 167,433.89 : x
  2. Step 2: Convert to fraction form
    303,393.61/418,687.60 = 167,433.89/x
  3. Step 3: Cross multiply
    303,393.61x = 418,687.60 × 167,433.89
  4. Step 4: Simplify right side
    303,393.61x = 70,102,493,562.76
  5. Step 5: Solve for x
    x = 70,102,493,562.76/303,393.61
  6. Step 6: Final answer
    x = 231,061.21

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1.5x scale

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.