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Finding the Fourth Proportional to 454,202.79, 681,409.71 and 154,685.97

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Solution

The fourth proportional to 454,202.79, 681,409.71 and 154,685.97 is: 232,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,202.79 : 681,409.71 = 154,685.97 : x
  2. Step 2: Convert to fraction form
    454,202.79/681,409.71 = 154,685.97/x
  3. Step 3: Cross multiply
    454,202.79x = 681,409.71 × 154,685.97
  4. Step 4: Simplify right side
    454,202.79x = 105,404,521,958.77
  5. Step 5: Solve for x
    x = 105,404,521,958.77/454,202.79
  6. Step 6: Final answer
    x = 232,064.89

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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.