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Finding the Fourth Proportional to 461,592, 636,996.96 and 327,689.28

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Solution

The fourth proportional to 461,592, 636,996.96 and 327,689.28 is: 452,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,592 : 636,996.96 = 327,689.28 : x
  2. Step 2: Convert to fraction form
    461,592/636,996.96 = 327,689.28/x
  3. Step 3: Cross multiply
    461,592x = 636,996.96 × 327,689.28
  4. Step 4: Simplify right side
    461,592x = 208,737,075,184.59
  5. Step 5: Solve for x
    x = 208,737,075,184.59/461,592
  6. Step 6: Final answer
    x = 452,211.21

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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.