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Finding the Fourth Proportional to 455,329.60, 682,533.60 and 268,244.80

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Solution

The fourth proportional to 455,329.60, 682,533.60 and 268,244.80 is: 402,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,329.60 : 682,533.60 = 268,244.80 : x
  2. Step 2: Convert to fraction form
    455,329.60/682,533.60 = 268,244.80/x
  3. Step 3: Cross multiply
    455,329.60x = 682,533.60 × 268,244.80
  4. Step 4: Simplify right side
    455,329.60x = 183,086,089,025.28
  5. Step 5: Solve for x
    x = 183,086,089,025.28/455,329.60
  6. Step 6: Final answer
    x = 402,095.73

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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.