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Finding the Fourth Proportional to 332,607.70, 498,802.20 and 122,218.30

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Solution

The fourth proportional to 332,607.70, 498,802.20 and 122,218.30 is: 183,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,607.70 : 498,802.20 = 122,218.30 : x
  2. Step 2: Convert to fraction form
    332,607.70/498,802.20 = 122,218.30/x
  3. Step 3: Cross multiply
    332,607.70x = 498,802.20 × 122,218.30
  4. Step 4: Simplify right side
    332,607.70x = 60,962,756,920.26
  5. Step 5: Solve for x
    x = 60,962,756,920.26/332,607.70
  6. Step 6: Final answer
    x = 183,287.27

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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.