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Finding the Fourth Proportional to 441,792, 662,688 and 109,368

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Solution

The fourth proportional to 441,792, 662,688 and 109,368 is: 164,052

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,792 : 662,688 = 109,368 : x
  2. Step 2: Convert to fraction form
    441,792/662,688 = 109,368/x
  3. Step 3: Cross multiply
    441,792x = 662,688 × 109,368
  4. Step 4: Simplify right side
    441,792x = 72,476,861,184
  5. Step 5: Solve for x
    x = 72,476,861,184/441,792
  6. Step 6: Final answer
    x = 164,052

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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.