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Finding the Fourth Proportional to 488,698.20, 732,828.60 and 222,321.60

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Solution

The fourth proportional to 488,698.20, 732,828.60 and 222,321.60 is: 333,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,698.20 : 732,828.60 = 222,321.60 : x
  2. Step 2: Convert to fraction form
    488,698.20/732,828.60 = 222,321.60/x
  3. Step 3: Cross multiply
    488,698.20x = 732,828.60 × 222,321.60
  4. Step 4: Simplify right side
    488,698.20x = 162,923,626,877.76
  5. Step 5: Solve for x
    x = 162,923,626,877.76/488,698.20
  6. Step 6: Final answer
    x = 333,382.91

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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.