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Finding the Fourth Proportional to 441,787, 662,680.50 and 109,363

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Solution

The fourth proportional to 441,787, 662,680.50 and 109,363 is: 164,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,787 : 662,680.50 = 109,363 : x
  2. Step 2: Convert to fraction form
    441,787/662,680.50 = 109,363/x
  3. Step 3: Cross multiply
    441,787x = 662,680.50 × 109,363
  4. Step 4: Simplify right side
    441,787x = 72,472,727,521.50
  5. Step 5: Solve for x
    x = 72,472,727,521.50/441,787
  6. Step 6: Final answer
    x = 164,044.50

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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.