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Finding the Fourth Proportional to 576,102.75, 863,878.10 and 272,244.03

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Solution

The fourth proportional to 576,102.75, 863,878.10 and 272,244.03 is: 408,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,102.75 : 863,878.10 = 272,244.03 : x
  2. Step 2: Convert to fraction form
    576,102.75/863,878.10 = 272,244.03/x
  3. Step 3: Cross multiply
    576,102.75x = 863,878.10 × 272,244.03
  4. Step 4: Simplify right side
    576,102.75x = 235,185,654,011.52
  5. Step 5: Solve for x
    x = 235,185,654,011.52/576,102.75
  6. Step 6: Final answer
    x = 408,235.60

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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.