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Finding the Fourth Proportional to 303,376.10, 454,954.80 and 153,566.60

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Solution

The fourth proportional to 303,376.10, 454,954.80 and 153,566.60 is: 230,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,376.10 : 454,954.80 = 153,566.60 : x
  2. Step 2: Convert to fraction form
    303,376.10/454,954.80 = 153,566.60/x
  3. Step 3: Cross multiply
    303,376.10x = 454,954.80 × 153,566.60
  4. Step 4: Simplify right side
    303,376.10x = 69,865,861,789.68
  5. Step 5: Solve for x
    x = 69,865,861,789.68/303,376.10
  6. Step 6: Final answer
    x = 230,294.55

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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.