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Finding the Fourth Proportional to 322,328.49, 483,702.53 and 122,650.53

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Solution

The fourth proportional to 322,328.49, 483,702.53 and 122,650.53 is: 184,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,328.49 : 483,702.53 = 122,650.53 : x
  2. Step 2: Convert to fraction form
    322,328.49/483,702.53 = 122,650.53/x
  3. Step 3: Cross multiply
    322,328.49x = 483,702.53 × 122,650.53
  4. Step 4: Simplify right side
    322,328.49x = 59,326,371,053.59
  5. Step 5: Solve for x
    x = 59,326,371,053.59/322,328.49
  6. Step 6: Final answer
    x = 184,055.62

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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.