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Finding the Fourth Proportional to 322,580.52, 483,929.10 and 132,935.40

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Solution

The fourth proportional to 322,580.52, 483,929.10 and 132,935.40 is: 199,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,580.52 : 483,929.10 = 132,935.40 : x
  2. Step 2: Convert to fraction form
    322,580.52/483,929.10 = 132,935.40/x
  3. Step 3: Cross multiply
    322,580.52x = 483,929.10 × 132,935.40
  4. Step 4: Simplify right side
    322,580.52x = 64,331,308,480.14
  5. Step 5: Solve for x
    x = 64,331,308,480.14/322,580.52
  6. Step 6: Final answer
    x = 199,427.13

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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.