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Finding the Fourth Proportional to 475,928.20, 713,924.70 and 151,690.60

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Solution

The fourth proportional to 475,928.20, 713,924.70 and 151,690.60 is: 227,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,928.20 : 713,924.70 = 151,690.60 : x
  2. Step 2: Convert to fraction form
    475,928.20/713,924.70 = 151,690.60/x
  3. Step 3: Cross multiply
    475,928.20x = 713,924.70 × 151,690.60
  4. Step 4: Simplify right side
    475,928.20x = 108,295,666,097.82
  5. Step 5: Solve for x
    x = 108,295,666,097.82/475,928.20
  6. Step 6: Final answer
    x = 227,546.23

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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.