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Finding the Fourth Proportional to 467,716.60, 700,538.10 and 281,092.60

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Solution

The fourth proportional to 467,716.60, 700,538.10 and 281,092.60 is: 421,015.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,716.60 : 700,538.10 = 281,092.60 : x
  2. Step 2: Convert to fraction form
    467,716.60/700,538.10 = 281,092.60/x
  3. Step 3: Cross multiply
    467,716.60x = 700,538.10 × 281,092.60
  4. Step 4: Simplify right side
    467,716.60x = 196,916,075,928.06
  5. Step 5: Solve for x
    x = 196,916,075,928.06/467,716.60
  6. Step 6: Final answer
    x = 421,015.79

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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.