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Finding the Fourth Proportional to 576,525.46, 864,209.31 and 197,186.89

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Solution

The fourth proportional to 576,525.46, 864,209.31 and 197,186.89 is: 295,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,525.46 : 864,209.31 = 197,186.89 : x
  2. Step 2: Convert to fraction form
    576,525.46/864,209.31 = 197,186.89/x
  3. Step 3: Cross multiply
    576,525.46x = 864,209.31 × 197,186.89
  4. Step 4: Simplify right side
    576,525.46x = 170,410,746,147.95
  5. Step 5: Solve for x
    x = 170,410,746,147.95/576,525.46
  6. Step 6: Final answer
    x = 295,582.34

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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.