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Finding the Fourth Proportional to 332,798.60, 499,270.80 and 133,068.80

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Solution

The fourth proportional to 332,798.60, 499,270.80 and 133,068.80 is: 199,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,798.60 : 499,270.80 = 133,068.80 : x
  2. Step 2: Convert to fraction form
    332,798.60/499,270.80 = 133,068.80/x
  3. Step 3: Cross multiply
    332,798.60x = 499,270.80 × 133,068.80
  4. Step 4: Simplify right side
    332,798.60x = 66,437,366,231.04
  5. Step 5: Solve for x
    x = 66,437,366,231.04/332,798.60
  6. Step 6: Final answer
    x = 199,632.35

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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.