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Finding the Fourth Proportional to 576,093.78, 863,864.60 and 272,235.03

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Solution

The fourth proportional to 576,093.78, 863,864.60 and 272,235.03 is: 408,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,093.78 : 863,864.60 = 272,235.03 : x
  2. Step 2: Convert to fraction form
    576,093.78/863,864.60 = 272,235.03/x
  3. Step 3: Cross multiply
    576,093.78x = 863,864.60 × 272,235.03
  4. Step 4: Simplify right side
    576,093.78x = 235,174,203,935.76
  5. Step 5: Solve for x
    x = 235,174,203,935.76/576,093.78
  6. Step 6: Final answer
    x = 408,222.08

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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.