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Finding the Fourth Proportional to 303,598.80, 454,669.20 and 163,047.60

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Solution

The fourth proportional to 303,598.80, 454,669.20 and 163,047.60 is: 244,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,598.80 : 454,669.20 = 163,047.60 : x
  2. Step 2: Convert to fraction form
    303,598.80/454,669.20 = 163,047.60/x
  3. Step 3: Cross multiply
    303,598.80x = 454,669.20 × 163,047.60
  4. Step 4: Simplify right side
    303,598.80x = 74,132,721,853.92
  5. Step 5: Solve for x
    x = 74,132,721,853.92/303,598.80
  6. Step 6: Final answer
    x = 244,179.89

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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.