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Finding the Fourth Proportional to 441,756, 662,640.48 and 109,332

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Solution

The fourth proportional to 441,756, 662,640.48 and 109,332 is: 163,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,756 : 662,640.48 = 109,332 : x
  2. Step 2: Convert to fraction form
    441,756/662,640.48 = 109,332/x
  3. Step 3: Cross multiply
    441,756x = 662,640.48 × 109,332
  4. Step 4: Simplify right side
    441,756x = 72,447,808,959.36
  5. Step 5: Solve for x
    x = 72,447,808,959.36/441,756
  6. Step 6: Final answer
    x = 163,999.60

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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.