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Finding the Fourth Proportional to 310,806.60, 466,092.72 and 100,388.04

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Solution

The fourth proportional to 310,806.60, 466,092.72 and 100,388.04 is: 150,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,806.60 : 466,092.72 = 100,388.04 : x
  2. Step 2: Convert to fraction form
    310,806.60/466,092.72 = 100,388.04/x
  3. Step 3: Cross multiply
    310,806.60x = 466,092.72 × 100,388.04
  4. Step 4: Simplify right side
    310,806.60x = 46,790,134,619.07
  5. Step 5: Solve for x
    x = 46,790,134,619.07/310,806.60
  6. Step 6: Final answer
    x = 150,544.21

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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.