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Finding the Fourth Proportional to 562,775, 844,162.50 and 168,791

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Solution

The fourth proportional to 562,775, 844,162.50 and 168,791 is: 253,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,775 : 844,162.50 = 168,791 : x
  2. Step 2: Convert to fraction form
    562,775/844,162.50 = 168,791/x
  3. Step 3: Cross multiply
    562,775x = 844,162.50 × 168,791
  4. Step 4: Simplify right side
    562,775x = 142,487,032,537.50
  5. Step 5: Solve for x
    x = 142,487,032,537.50/562,775
  6. Step 6: Final answer
    x = 253,186.50

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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.