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Finding the Fourth Proportional to 332,308.40, 498,138.60 and 190,007.60

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Solution

The fourth proportional to 332,308.40, 498,138.60 and 190,007.60 is: 284,826.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,308.40 : 498,138.60 = 190,007.60 : x
  2. Step 2: Convert to fraction form
    332,308.40/498,138.60 = 190,007.60/x
  3. Step 3: Cross multiply
    332,308.40x = 498,138.60 × 190,007.60
  4. Step 4: Simplify right side
    332,308.40x = 94,650,119,853.36
  5. Step 5: Solve for x
    x = 94,650,119,853.36/332,308.40
  6. Step 6: Final answer
    x = 284,826.14

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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.