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Finding the Fourth Proportional to 475,982.20, 714,005.70 and 151,744.60

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Solution

The fourth proportional to 475,982.20, 714,005.70 and 151,744.60 is: 227,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,982.20 : 714,005.70 = 151,744.60 : x
  2. Step 2: Convert to fraction form
    475,982.20/714,005.70 = 151,744.60/x
  3. Step 3: Cross multiply
    475,982.20x = 714,005.70 × 151,744.60
  4. Step 4: Simplify right side
    475,982.20x = 108,346,509,344.22
  5. Step 5: Solve for x
    x = 108,346,509,344.22/475,982.20
  6. Step 6: Final answer
    x = 227,627.23

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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.