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Finding the Fourth Proportional to 576,882.80, 865,324.20 and 328,050.80

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Solution

The fourth proportional to 576,882.80, 865,324.20 and 328,050.80 is: 492,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,882.80 : 865,324.20 = 328,050.80 : x
  2. Step 2: Convert to fraction form
    576,882.80/865,324.20 = 328,050.80/x
  3. Step 3: Cross multiply
    576,882.80x = 865,324.20 × 328,050.80
  4. Step 4: Simplify right side
    576,882.80x = 283,870,296,069.36
  5. Step 5: Solve for x
    x = 283,870,296,069.36/576,882.80
  6. Step 6: Final answer
    x = 492,076.20

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Similar ratio
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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.