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Finding the Fourth Proportional to 454,093.80, 681,212.70 and 154,602.60

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Solution

The fourth proportional to 454,093.80, 681,212.70 and 154,602.60 is: 231,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,093.80 : 681,212.70 = 154,602.60 : x
  2. Step 2: Convert to fraction form
    454,093.80/681,212.70 = 154,602.60/x
  3. Step 3: Cross multiply
    454,093.80x = 681,212.70 × 154,602.60
  4. Step 4: Simplify right side
    454,093.80x = 105,317,254,573.02
  5. Step 5: Solve for x
    x = 105,317,254,573.02/454,093.80
  6. Step 6: Final answer
    x = 231,928.41

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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.