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Finding the Fourth Proportional to 322,860.16, 484,429.52 and 123,240.48

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Solution

The fourth proportional to 322,860.16, 484,429.52 and 123,240.48 is: 184,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,860.16 : 484,429.52 = 123,240.48 : x
  2. Step 2: Convert to fraction form
    322,860.16/484,429.52 = 123,240.48/x
  3. Step 3: Cross multiply
    322,860.16x = 484,429.52 × 123,240.48
  4. Step 4: Simplify right side
    322,860.16x = 59,701,326,570.97
  5. Step 5: Solve for x
    x = 59,701,326,570.97/322,860.16
  6. Step 6: Final answer
    x = 184,913.89

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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.