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Finding the Fourth Proportional to 493,506.12, 740,286.15 and 156,522.36

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Solution

The fourth proportional to 493,506.12, 740,286.15 and 156,522.36 is: 234,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,506.12 : 740,286.15 = 156,522.36 : x
  2. Step 2: Convert to fraction form
    493,506.12/740,286.15 = 156,522.36/x
  3. Step 3: Cross multiply
    493,506.12x = 740,286.15 × 156,522.36
  4. Step 4: Simplify right side
    493,506.12x = 115,871,335,273.31
  5. Step 5: Solve for x
    x = 115,871,335,273.31/493,506.12
  6. Step 6: Final answer
    x = 234,792.09

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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.