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Finding the Fourth Proportional to 492,956.93, 739,361.39 and 155,953.79

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Solution

The fourth proportional to 492,956.93, 739,361.39 and 155,953.79 is: 233,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,956.93 : 739,361.39 = 155,953.79 : x
  2. Step 2: Convert to fraction form
    492,956.93/739,361.39 = 155,953.79/x
  3. Step 3: Cross multiply
    492,956.93x = 739,361.39 × 155,953.79
  4. Step 4: Simplify right side
    492,956.93x = 115,306,209,246.20
  5. Step 5: Solve for x
    x = 115,306,209,246.20/492,956.93
  6. Step 6: Final answer
    x = 233,907.27

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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.