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Finding the Fourth Proportional to 484,984.70, 727,477.05 and 169,400.60

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Solution

The fourth proportional to 484,984.70, 727,477.05 and 169,400.60 is: 254,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,984.70 : 727,477.05 = 169,400.60 : x
  2. Step 2: Convert to fraction form
    484,984.70/727,477.05 = 169,400.60/x
  3. Step 3: Cross multiply
    484,984.70x = 727,477.05 × 169,400.60
  4. Step 4: Simplify right side
    484,984.70x = 123,235,048,756.23
  5. Step 5: Solve for x
    x = 123,235,048,756.23/484,984.70
  6. Step 6: Final answer
    x = 254,100.90

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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.