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Finding the Fourth Proportional to 441,706.17, 662,661.33 and 138,083.14

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Solution

The fourth proportional to 441,706.17, 662,661.33 and 138,083.14 is: 207,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,706.17 : 662,661.33 = 138,083.14 : x
  2. Step 2: Convert to fraction form
    441,706.17/662,661.33 = 138,083.14/x
  3. Step 3: Cross multiply
    441,706.17x = 662,661.33 × 138,083.14
  4. Step 4: Simplify right side
    441,706.17x = 91,502,357,202.98
  5. Step 5: Solve for x
    x = 91,502,357,202.98/441,706.17
  6. Step 6: Final answer
    x = 207,156.62

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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.