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Finding the Fourth Proportional to 576,524.46, 864,207.81 and 197,185.89

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Solution

The fourth proportional to 576,524.46, 864,207.81 and 197,185.89 is: 295,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,524.46 : 864,207.81 = 197,185.89 : x
  2. Step 2: Convert to fraction form
    576,524.46/864,207.81 = 197,185.89/x
  3. Step 3: Cross multiply
    576,524.46x = 864,207.81 × 197,185.89
  4. Step 4: Simplify right side
    576,524.46x = 170,409,586,159.80
  5. Step 5: Solve for x
    x = 170,409,586,159.80/576,524.46
  6. Step 6: Final answer
    x = 295,580.84

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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.