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Finding the Fourth Proportional to 436,766.73, 602,737.81 and 245,780.29

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Solution

The fourth proportional to 436,766.73, 602,737.81 and 245,780.29 is: 339,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,766.73 : 602,737.81 = 245,780.29 : x
  2. Step 2: Convert to fraction form
    436,766.73/602,737.81 = 245,780.29/x
  3. Step 3: Cross multiply
    436,766.73x = 602,737.81 × 245,780.29
  4. Step 4: Simplify right side
    436,766.73x = 148,141,073,735.77
  5. Step 5: Solve for x
    x = 148,141,073,735.77/436,766.73
  6. Step 6: Final answer
    x = 339,176.64

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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.