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Finding the Fourth Proportional to 576,252.92, 864,515.15 and 197,177.78

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Solution

The fourth proportional to 576,252.92, 864,515.15 and 197,177.78 is: 295,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,252.92 : 864,515.15 = 197,177.78 : x
  2. Step 2: Convert to fraction form
    576,252.92/864,515.15 = 197,177.78/x
  3. Step 3: Cross multiply
    576,252.92x = 864,515.15 × 197,177.78
  4. Step 4: Simplify right side
    576,252.92x = 170,463,178,053.37
  5. Step 5: Solve for x
    x = 170,463,178,053.37/576,252.92
  6. Step 6: Final answer
    x = 295,813.13

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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.