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Finding the Fourth Proportional to 332,406.40, 498,285.60 and 190,105.60

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Solution

The fourth proportional to 332,406.40, 498,285.60 and 190,105.60 is: 284,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,406.40 : 498,285.60 = 190,105.60 : x
  2. Step 2: Convert to fraction form
    332,406.40/498,285.60 = 190,105.60/x
  3. Step 3: Cross multiply
    332,406.40x = 498,285.60 × 190,105.60
  4. Step 4: Simplify right side
    332,406.40x = 94,726,882,959.36
  5. Step 5: Solve for x
    x = 94,726,882,959.36/332,406.40
  6. Step 6: Final answer
    x = 284,973.10

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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.