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Finding the Fourth Proportional to 547,806.62, 821,751.24 and 163,525.12

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Solution

The fourth proportional to 547,806.62, 821,751.24 and 163,525.12 is: 245,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,806.62 : 821,751.24 = 163,525.12 : x
  2. Step 2: Convert to fraction form
    547,806.62/821,751.24 = 163,525.12/x
  3. Step 3: Cross multiply
    547,806.62x = 821,751.24 × 163,525.12
  4. Step 4: Simplify right side
    547,806.62x = 134,376,970,131.15
  5. Step 5: Solve for x
    x = 134,376,970,131.15/547,806.62
  6. Step 6: Final answer
    x = 245,300.01

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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.