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Finding the Fourth Proportional to 322,455.60, 483,337.80 and 122,698.80

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Solution

The fourth proportional to 322,455.60, 483,337.80 and 122,698.80 is: 183,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,455.60 : 483,337.80 = 122,698.80 : x
  2. Step 2: Convert to fraction form
    322,455.60/483,337.80 = 122,698.80/x
  3. Step 3: Cross multiply
    322,455.60x = 483,337.80 × 122,698.80
  4. Step 4: Simplify right side
    322,455.60x = 59,304,968,054.64
  5. Step 5: Solve for x
    x = 59,304,968,054.64/322,455.60
  6. Step 6: Final answer
    x = 183,916.69

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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.