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Finding the Fourth Proportional to 332,930.88, 499,463.28 and 122,564.16

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Solution

The fourth proportional to 332,930.88, 499,463.28 and 122,564.16 is: 183,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,930.88 : 499,463.28 = 122,564.16 : x
  2. Step 2: Convert to fraction form
    332,930.88/499,463.28 = 122,564.16/x
  3. Step 3: Cross multiply
    332,930.88x = 499,463.28 × 122,564.16
  4. Step 4: Simplify right side
    332,930.88x = 61,216,297,364.04
  5. Step 5: Solve for x
    x = 61,216,297,364.04/332,930.88
  6. Step 6: Final answer
    x = 183,870.89

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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.