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Finding the Fourth Proportional to 465,963.70, 644,175.80 and 461,701.11

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Solution

The fourth proportional to 465,963.70, 644,175.80 and 461,701.11 is: 638,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,963.70 : 644,175.80 = 461,701.11 : x
  2. Step 2: Convert to fraction form
    465,963.70/644,175.80 = 461,701.11/x
  3. Step 3: Cross multiply
    465,963.70x = 644,175.80 × 461,701.11
  4. Step 4: Simplify right side
    465,963.70x = 297,416,681,895.14
  5. Step 5: Solve for x
    x = 297,416,681,895.14/465,963.70
  6. Step 6: Final answer
    x = 638,282.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.