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Finding the Fourth Proportional to 332,595.70, 498,784.20 and 122,206.30

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Solution

The fourth proportional to 332,595.70, 498,784.20 and 122,206.30 is: 183,269.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,595.70 : 498,784.20 = 122,206.30 : x
  2. Step 2: Convert to fraction form
    332,595.70/498,784.20 = 122,206.30/x
  3. Step 3: Cross multiply
    332,595.70x = 498,784.20 × 122,206.30
  4. Step 4: Simplify right side
    332,595.70x = 60,954,571,580.46
  5. Step 5: Solve for x
    x = 60,954,571,580.46/332,595.70
  6. Step 6: Final answer
    x = 183,269.27

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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.