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Finding the Fourth Proportional to 577,105.70, 865,658.55 and 364,529.30

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Solution

The fourth proportional to 577,105.70, 865,658.55 and 364,529.30 is: 546,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,105.70 : 865,658.55 = 364,529.30 : x
  2. Step 2: Convert to fraction form
    577,105.70/865,658.55 = 364,529.30/x
  3. Step 3: Cross multiply
    577,105.70x = 865,658.55 × 364,529.30
  4. Step 4: Simplify right side
    577,105.70x = 315,557,905,270.52
  5. Step 5: Solve for x
    x = 315,557,905,270.52/577,105.70
  6. Step 6: Final answer
    x = 546,793.95

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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.