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Finding the Fourth Proportional to 322,746.60, 484,004.70 and 112,391.40

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Solution

The fourth proportional to 322,746.60, 484,004.70 and 112,391.40 is: 168,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,746.60 : 484,004.70 = 112,391.40 : x
  2. Step 2: Convert to fraction form
    322,746.60/484,004.70 = 112,391.40/x
  3. Step 3: Cross multiply
    322,746.60x = 484,004.70 × 112,391.40
  4. Step 4: Simplify right side
    322,746.60x = 54,397,965,839.58
  5. Step 5: Solve for x
    x = 54,397,965,839.58/322,746.60
  6. Step 6: Final answer
    x = 168,546.98

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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.