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Finding the Fourth Proportional to 306,527.73, 423,001.60 and 177,471.64

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Solution

The fourth proportional to 306,527.73, 423,001.60 and 177,471.64 is: 244,907.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,527.73 : 423,001.60 = 177,471.64 : x
  2. Step 2: Convert to fraction form
    306,527.73/423,001.60 = 177,471.64/x
  3. Step 3: Cross multiply
    306,527.73x = 423,001.60 × 177,471.64
  4. Step 4: Simplify right side
    306,527.73x = 75,070,787,674.62
  5. Step 5: Solve for x
    x = 75,070,787,674.62/306,527.73
  6. Step 6: Final answer
    x = 244,907.00

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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.